Home / 67,746.16-101,619.28-28,281.76

Finding the Fourth Proportional to 67,746.16, 101,619.28 and 28,281.76

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Solution

The fourth proportional to 67,746.16, 101,619.28 and 28,281.76 is: 42,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,746.16 : 101,619.28 = 28,281.76 : x
  2. Step 2: Convert to fraction form
    67,746.16/101,619.28 = 28,281.76/x
  3. Step 3: Cross multiply
    67,746.16x = 101,619.28 × 28,281.76
  4. Step 4: Simplify right side
    67,746.16x = 2,873,972,088.33
  5. Step 5: Solve for x
    x = 2,873,972,088.33/67,746.16
  6. Step 6: Final answer
    x = 42,422.66

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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.