Home / 70,343.19-105,545.30-38,714.58

Finding the Fourth Proportional to 70,343.19, 105,545.30 and 38,714.58

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Solution

The fourth proportional to 70,343.19, 105,545.30 and 38,714.58 is: 58,088.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,343.19 : 105,545.30 = 38,714.58 : x
  2. Step 2: Convert to fraction form
    70,343.19/105,545.30 = 38,714.58/x
  3. Step 3: Cross multiply
    70,343.19x = 105,545.30 × 38,714.58
  4. Step 4: Simplify right side
    70,343.19x = 4,086,141,766.90
  5. Step 5: Solve for x
    x = 4,086,141,766.90/70,343.19
  6. Step 6: Final answer
    x = 58,088.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.