Home / 89,133.68-133,610.50-55,877.06

Finding the Fourth Proportional to 89,133.68, 133,610.50 and 55,877.06

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Solution

The fourth proportional to 89,133.68, 133,610.50 and 55,877.06 is: 83,759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,133.68 : 133,610.50 = 55,877.06 : x
  2. Step 2: Convert to fraction form
    89,133.68/133,610.50 = 55,877.06/x
  3. Step 3: Cross multiply
    89,133.68x = 133,610.50 × 55,877.06
  4. Step 4: Simplify right side
    89,133.68x = 7,465,761,925.13
  5. Step 5: Solve for x
    x = 7,465,761,925.13/89,133.68
  6. Step 6: Final answer
    x = 83,759.16

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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.