Home / 67,746.45-93,505.65-45,086.40

Finding the Fourth Proportional to 67,746.45, 93,505.65 and 45,086.40

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Solution

The fourth proportional to 67,746.45, 93,505.65 and 45,086.40 is: 62,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,746.45 : 93,505.65 = 45,086.40 : x
  2. Step 2: Convert to fraction form
    67,746.45/93,505.65 = 45,086.40/x
  3. Step 3: Cross multiply
    67,746.45x = 93,505.65 × 45,086.40
  4. Step 4: Simplify right side
    67,746.45x = 4,215,833,138.16
  5. Step 5: Solve for x
    x = 4,215,833,138.16/67,746.45
  6. Step 6: Final answer
    x = 62,229.58

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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.