Home / 67,799.10-93,574.65-39,113.76

Finding the Fourth Proportional to 67,799.10, 93,574.65 and 39,113.76

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Solution

The fourth proportional to 67,799.10, 93,574.65 and 39,113.76 is: 53,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,799.10 : 93,574.65 = 39,113.76 : x
  2. Step 2: Convert to fraction form
    67,799.10/93,574.65 = 39,113.76/x
  3. Step 3: Cross multiply
    67,799.10x = 93,574.65 × 39,113.76
  4. Step 4: Simplify right side
    67,799.10x = 3,660,056,402.18
  5. Step 5: Solve for x
    x = 3,660,056,402.18/67,799.10
  6. Step 6: Final answer
    x = 53,983.85

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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.