Home / 77,070.32-115,535.42-29,655.17

Finding the Fourth Proportional to 77,070.32, 115,535.42 and 29,655.17

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Solution

The fourth proportional to 77,070.32, 115,535.42 and 29,655.17 is: 44,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,070.32 : 115,535.42 = 29,655.17 : x
  2. Step 2: Convert to fraction form
    77,070.32/115,535.42 = 29,655.17/x
  3. Step 3: Cross multiply
    77,070.32x = 115,535.42 × 29,655.17
  4. Step 4: Simplify right side
    77,070.32x = 3,426,222,521.12
  5. Step 5: Solve for x
    x = 3,426,222,521.12/77,070.32
  6. Step 6: Final answer
    x = 44,455.80

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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.