Home / 67,218.16-92,759.08-38,924.40

Finding the Fourth Proportional to 67,218.16, 92,759.08 and 38,924.40

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Solution

The fourth proportional to 67,218.16, 92,759.08 and 38,924.40 is: 53,714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,218.16 : 92,759.08 = 38,924.40 : x
  2. Step 2: Convert to fraction form
    67,218.16/92,759.08 = 38,924.40/x
  3. Step 3: Cross multiply
    67,218.16x = 92,759.08 × 38,924.40
  4. Step 4: Simplify right side
    67,218.16x = 3,610,591,533.55
  5. Step 5: Solve for x
    x = 3,610,591,533.55/67,218.16
  6. Step 6: Final answer
    x = 53,714.52

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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.