Home / 67,746.74-101,625.36-20,358.13

Finding the Fourth Proportional to 67,746.74, 101,625.36 and 20,358.13

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Solution

The fourth proportional to 67,746.74, 101,625.36 and 20,358.13 is: 30,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,746.74 : 101,625.36 = 20,358.13 : x
  2. Step 2: Convert to fraction form
    67,746.74/101,625.36 = 20,358.13/x
  3. Step 3: Cross multiply
    67,746.74x = 101,625.36 × 20,358.13
  4. Step 4: Simplify right side
    67,746.74x = 2,068,902,036.11
  5. Step 5: Solve for x
    x = 2,068,902,036.11/67,746.74
  6. Step 6: Final answer
    x = 30,538.77

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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.