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Finding the Fourth Proportional to 86,002.77, 118,679.86 and 47,764.74

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Solution

The fourth proportional to 86,002.77, 118,679.86 and 47,764.74 is: 65,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,002.77 : 118,679.86 = 47,764.74 : x
  2. Step 2: Convert to fraction form
    86,002.77/118,679.86 = 47,764.74/x
  3. Step 3: Cross multiply
    86,002.77x = 118,679.86 × 47,764.74
  4. Step 4: Simplify right side
    86,002.77x = 5,668,713,261.13
  5. Step 5: Solve for x
    x = 5,668,713,261.13/86,002.77
  6. Step 6: Final answer
    x = 65,913.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.