Home / 99,125.38-136,792.68-53,803.36

Finding the Fourth Proportional to 99,125.38, 136,792.68 and 53,803.36

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Solution

The fourth proportional to 99,125.38, 136,792.68 and 53,803.36 is: 74,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,125.38 : 136,792.68 = 53,803.36 : x
  2. Step 2: Convert to fraction form
    99,125.38/136,792.68 = 53,803.36/x
  3. Step 3: Cross multiply
    99,125.38x = 136,792.68 × 53,803.36
  4. Step 4: Simplify right side
    99,125.38x = 7,359,905,807.40
  5. Step 5: Solve for x
    x = 7,359,905,807.40/99,125.38
  6. Step 6: Final answer
    x = 74,248.45

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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.