Home / 67,348.04-101,018.42-20,600.91

Finding the Fourth Proportional to 67,348.04, 101,018.42 and 20,600.91

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Solution

The fourth proportional to 67,348.04, 101,018.42 and 20,600.91 is: 30,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,348.04 : 101,018.42 = 20,600.91 : x
  2. Step 2: Convert to fraction form
    67,348.04/101,018.42 = 20,600.91/x
  3. Step 3: Cross multiply
    67,348.04x = 101,018.42 × 20,600.91
  4. Step 4: Simplify right side
    67,348.04x = 2,081,071,275.76
  5. Step 5: Solve for x
    x = 2,081,071,275.76/67,348.04
  6. Step 6: Final answer
    x = 30,900.25

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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.