Home / 124,390.02-171,658.08-67,801.38

Finding the Fourth Proportional to 124,390.02, 171,658.08 and 67,801.38

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Solution

The fourth proportional to 124,390.02, 171,658.08 and 67,801.38 is: 93,565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,390.02 : 171,658.08 = 67,801.38 : x
  2. Step 2: Convert to fraction form
    124,390.02/171,658.08 = 67,801.38/x
  3. Step 3: Cross multiply
    124,390.02x = 171,658.08 × 67,801.38
  4. Step 4: Simplify right side
    124,390.02x = 11,638,654,712.15
  5. Step 5: Solve for x
    x = 11,638,654,712.15/124,390.02
  6. Step 6: Final answer
    x = 93,565.82

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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.