Home / 90,461.86-124,755.66-56,473.49

Finding the Fourth Proportional to 90,461.86, 124,755.66 and 56,473.49

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Solution

The fourth proportional to 90,461.86, 124,755.66 and 56,473.49 is: 77,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,461.86 : 124,755.66 = 56,473.49 : x
  2. Step 2: Convert to fraction form
    90,461.86/124,755.66 = 56,473.49/x
  3. Step 3: Cross multiply
    90,461.86x = 124,755.66 × 56,473.49
  4. Step 4: Simplify right side
    90,461.86x = 7,045,387,517.45
  5. Step 5: Solve for x
    x = 7,045,387,517.45/90,461.86
  6. Step 6: Final answer
    x = 77,882.41

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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.