Home / 89,755.40-134,633.10-26,577.80

Finding the Fourth Proportional to 89,755.40, 134,633.10 and 26,577.80

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Solution

The fourth proportional to 89,755.40, 134,633.10 and 26,577.80 is: 39,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,755.40 : 134,633.10 = 26,577.80 : x
  2. Step 2: Convert to fraction form
    89,755.40/134,633.10 = 26,577.80/x
  3. Step 3: Cross multiply
    89,755.40x = 134,633.10 × 26,577.80
  4. Step 4: Simplify right side
    89,755.40x = 3,578,251,605.18
  5. Step 5: Solve for x
    x = 3,578,251,605.18/89,755.40
  6. Step 6: Final answer
    x = 39,866.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.