Home / 77,529.40-107,002.22-47,332.26

Finding the Fourth Proportional to 77,529.40, 107,002.22 and 47,332.26

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Solution

The fourth proportional to 77,529.40, 107,002.22 and 47,332.26 is: 65,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,529.40 : 107,002.22 = 47,332.26 : x
  2. Step 2: Convert to fraction form
    77,529.40/107,002.22 = 47,332.26/x
  3. Step 3: Cross multiply
    77,529.40x = 107,002.22 × 47,332.26
  4. Step 4: Simplify right side
    77,529.40x = 5,064,656,897.62
  5. Step 5: Solve for x
    x = 5,064,656,897.62/77,529.40
  6. Step 6: Final answer
    x = 65,325.63

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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.