Home / 67,985.20-93,789.39-45,302.06

Finding the Fourth Proportional to 67,985.20, 93,789.39 and 45,302.06

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Solution

The fourth proportional to 67,985.20, 93,789.39 and 45,302.06 is: 62,496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,985.20 : 93,789.39 = 45,302.06 : x
  2. Step 2: Convert to fraction form
    67,985.20/93,789.39 = 45,302.06/x
  3. Step 3: Cross multiply
    67,985.20x = 93,789.39 × 45,302.06
  4. Step 4: Simplify right side
    67,985.20x = 4,248,852,067.70
  5. Step 5: Solve for x
    x = 4,248,852,067.70/67,985.20
  6. Step 6: Final answer
    x = 62,496.72

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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.