Home / 89,770.06-123,875.40-52,046.74

Finding the Fourth Proportional to 89,770.06, 123,875.40 and 52,046.74

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Solution

The fourth proportional to 89,770.06, 123,875.40 and 52,046.74 is: 71,820.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,770.06 : 123,875.40 = 52,046.74 : x
  2. Step 2: Convert to fraction form
    89,770.06/123,875.40 = 52,046.74/x
  3. Step 3: Cross multiply
    89,770.06x = 123,875.40 × 52,046.74
  4. Step 4: Simplify right side
    89,770.06x = 6,447,310,736.20
  5. Step 5: Solve for x
    x = 6,447,310,736.20/89,770.06
  6. Step 6: Final answer
    x = 71,820.28

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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.