Home / 77,529.39-107,000.45-47,308.29

Finding the Fourth Proportional to 77,529.39, 107,000.45 and 47,308.29

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Solution

The fourth proportional to 77,529.39, 107,000.45 and 47,308.29 is: 65,291.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,529.39 : 107,000.45 = 47,308.29 : x
  2. Step 2: Convert to fraction form
    77,529.39/107,000.45 = 47,308.29/x
  3. Step 3: Cross multiply
    77,529.39x = 107,000.45 × 47,308.29
  4. Step 4: Simplify right side
    77,529.39x = 5,062,008,082.19
  5. Step 5: Solve for x
    x = 5,062,008,082.19/77,529.39
  6. Step 6: Final answer
    x = 65,291.47

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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.