Home / 125,085.04-172,614.36-68,498.80

Finding the Fourth Proportional to 125,085.04, 172,614.36 and 68,498.80

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Solution

The fourth proportional to 125,085.04, 172,614.36 and 68,498.80 is: 94,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,085.04 : 172,614.36 = 68,498.80 : x
  2. Step 2: Convert to fraction form
    125,085.04/172,614.36 = 68,498.80/x
  3. Step 3: Cross multiply
    125,085.04x = 172,614.36 × 68,498.80
  4. Step 4: Simplify right side
    125,085.04x = 11,823,876,522.77
  5. Step 5: Solve for x
    x = 11,823,876,522.77/125,085.04
  6. Step 6: Final answer
    x = 94,526.70

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1.5x scale

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.