Home / 124,572.16-171,877.44-74,235.52

Finding the Fourth Proportional to 124,572.16, 171,877.44 and 74,235.52

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Solution

The fourth proportional to 124,572.16, 171,877.44 and 74,235.52 is: 102,425.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,572.16 : 171,877.44 = 74,235.52 : x
  2. Step 2: Convert to fraction form
    124,572.16/171,877.44 = 74,235.52/x
  3. Step 3: Cross multiply
    124,572.16x = 171,877.44 × 74,235.52
  4. Step 4: Simplify right side
    124,572.16x = 12,759,411,134.67
  5. Step 5: Solve for x
    x = 12,759,411,134.67/124,572.16
  6. Step 6: Final answer
    x = 102,425.86

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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.