Home / 125,335.92-172,962.63-68,746.89

Finding the Fourth Proportional to 125,335.92, 172,962.63 and 68,746.89

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Solution

The fourth proportional to 125,335.92, 172,962.63 and 68,746.89 is: 94,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,335.92 : 172,962.63 = 68,746.89 : x
  2. Step 2: Convert to fraction form
    125,335.92/172,962.63 = 68,746.89/x
  3. Step 3: Cross multiply
    125,335.92x = 172,962.63 × 68,746.89
  4. Step 4: Simplify right side
    125,335.92x = 11,890,642,898.72
  5. Step 5: Solve for x
    x = 11,890,642,898.72/125,335.92
  6. Step 6: Final answer
    x = 94,870.19

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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.