Home / 77,397.44-116,011.17-39,960.32

Finding the Fourth Proportional to 77,397.44, 116,011.17 and 39,960.32

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Solution

The fourth proportional to 77,397.44, 116,011.17 and 39,960.32 is: 59,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,397.44 : 116,011.17 = 39,960.32 : x
  2. Step 2: Convert to fraction form
    77,397.44/116,011.17 = 39,960.32/x
  3. Step 3: Cross multiply
    77,397.44x = 116,011.17 × 39,960.32
  4. Step 4: Simplify right side
    77,397.44x = 4,635,843,476.77
  5. Step 5: Solve for x
    x = 4,635,843,476.77/77,397.44
  6. Step 6: Final answer
    x = 59,896.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.