Home / 67,686.59-93,417.26-39,000.75

Finding the Fourth Proportional to 67,686.59, 93,417.26 and 39,000.75

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Solution

The fourth proportional to 67,686.59, 93,417.26 and 39,000.75 is: 53,826.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,686.59 : 93,417.26 = 39,000.75 : x
  2. Step 2: Convert to fraction form
    67,686.59/93,417.26 = 39,000.75/x
  3. Step 3: Cross multiply
    67,686.59x = 93,417.26 × 39,000.75
  4. Step 4: Simplify right side
    67,686.59x = 3,643,343,202.95
  5. Step 5: Solve for x
    x = 3,643,343,202.95/67,686.59
  6. Step 6: Final answer
    x = 53,826.66

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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.