Home / 99,235.73-136,915.13-56,208.38

Finding the Fourth Proportional to 99,235.73, 136,915.13 and 56,208.38

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Solution

The fourth proportional to 99,235.73, 136,915.13 and 56,208.38 is: 77,550.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,235.73 : 136,915.13 = 56,208.38 : x
  2. Step 2: Convert to fraction form
    99,235.73/136,915.13 = 56,208.38/x
  3. Step 3: Cross multiply
    99,235.73x = 136,915.13 × 56,208.38
  4. Step 4: Simplify right side
    99,235.73x = 7,695,776,689.17
  5. Step 5: Solve for x
    x = 7,695,776,689.17/99,235.73
  6. Step 6: Final answer
    x = 77,550.47

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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.