Home / 99,324.83-137,070.87-54,005.87

Finding the Fourth Proportional to 99,324.83, 137,070.87 and 54,005.87

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Solution

The fourth proportional to 99,324.83, 137,070.87 and 54,005.87 is: 74,529.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,324.83 : 137,070.87 = 54,005.87 : x
  2. Step 2: Convert to fraction form
    99,324.83/137,070.87 = 54,005.87/x
  3. Step 3: Cross multiply
    99,324.83x = 137,070.87 × 54,005.87
  4. Step 4: Simplify right side
    99,324.83x = 7,402,631,586.01
  5. Step 5: Solve for x
    x = 7,402,631,586.01/99,324.83
  6. Step 6: Final answer
    x = 74,529.52

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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.