Home / 99,007.92-136,631.16-56,566.32

Finding the Fourth Proportional to 99,007.92, 136,631.16 and 56,566.32

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Solution

The fourth proportional to 99,007.92, 136,631.16 and 56,566.32 is: 78,061.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,007.92 : 136,631.16 = 56,566.32 : x
  2. Step 2: Convert to fraction form
    99,007.92/136,631.16 = 56,566.32/x
  3. Step 3: Cross multiply
    99,007.92x = 136,631.16 × 56,566.32
  4. Step 4: Simplify right side
    99,007.92x = 7,728,721,918.53
  5. Step 5: Solve for x
    x = 7,728,721,918.53/99,007.92
  6. Step 6: Final answer
    x = 78,061.65

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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.