Home / 67,520.60-93,159.46-38,838.76

Finding the Fourth Proportional to 67,520.60, 93,159.46 and 38,838.76

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Solution

The fourth proportional to 67,520.60, 93,159.46 and 38,838.76 is: 53,586.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,520.60 : 93,159.46 = 38,838.76 : x
  2. Step 2: Convert to fraction form
    67,520.60/93,159.46 = 38,838.76/x
  3. Step 3: Cross multiply
    67,520.60x = 93,159.46 × 38,838.76
  4. Step 4: Simplify right side
    67,520.60x = 3,618,197,908.67
  5. Step 5: Solve for x
    x = 3,618,197,908.67/67,520.60
  6. Step 6: Final answer
    x = 53,586.58

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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.