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Finding the Fourth Proportional to 86,002.59, 118,679.55 and 47,764.62

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Solution

The fourth proportional to 86,002.59, 118,679.55 and 47,764.62 is: 65,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,002.59 : 118,679.55 = 47,764.62 : x
  2. Step 2: Convert to fraction form
    86,002.59/118,679.55 = 47,764.62/x
  3. Step 3: Cross multiply
    86,002.59x = 118,679.55 × 47,764.62
  4. Step 4: Simplify right side
    86,002.59x = 5,668,683,607.52
  5. Step 5: Solve for x
    x = 5,668,683,607.52/86,002.59
  6. Step 6: Final answer
    x = 65,912.94

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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.