Home / 70,063.13-96,689.45-38,233.78

Finding the Fourth Proportional to 70,063.13, 96,689.45 and 38,233.78

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Solution

The fourth proportional to 70,063.13, 96,689.45 and 38,233.78 is: 52,763.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,063.13 : 96,689.45 = 38,233.78 : x
  2. Step 2: Convert to fraction form
    70,063.13/96,689.45 = 38,233.78/x
  3. Step 3: Cross multiply
    70,063.13x = 96,689.45 × 38,233.78
  4. Step 4: Simplify right side
    70,063.13x = 3,696,803,159.62
  5. Step 5: Solve for x
    x = 3,696,803,159.62/70,063.13
  6. Step 6: Final answer
    x = 52,763.89

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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.