Home / 53,689.50-74,080.98-34,575.12

Finding the Fourth Proportional to 53,689.50, 74,080.98 and 34,575.12

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Solution

The fourth proportional to 53,689.50, 74,080.98 and 34,575.12 is: 47,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,689.50 : 74,080.98 = 34,575.12 : x
  2. Step 2: Convert to fraction form
    53,689.50/74,080.98 = 34,575.12/x
  3. Step 3: Cross multiply
    53,689.50x = 74,080.98 × 34,575.12
  4. Step 4: Simplify right side
    53,689.50x = 2,561,358,773.22
  5. Step 5: Solve for x
    x = 2,561,358,773.22/53,689.50
  6. Step 6: Final answer
    x = 47,706.88

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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.