Home / 125,046.18-172,564.02-68,461.20

Finding the Fourth Proportional to 125,046.18, 172,564.02 and 68,461.20

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Solution

The fourth proportional to 125,046.18, 172,564.02 and 68,461.20 is: 94,476.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,046.18 : 172,564.02 = 68,461.20 : x
  2. Step 2: Convert to fraction form
    125,046.18/172,564.02 = 68,461.20/x
  3. Step 3: Cross multiply
    125,046.18x = 172,564.02 × 68,461.20
  4. Step 4: Simplify right side
    125,046.18x = 11,813,939,886.02
  5. Step 5: Solve for x
    x = 11,813,939,886.02/125,046.18
  6. Step 6: Final answer
    x = 94,476.62

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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.