Home / 90,560.89-124,991.76-57,834.28

Finding the Fourth Proportional to 90,560.89, 124,991.76 and 57,834.28

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Solution

The fourth proportional to 90,560.89, 124,991.76 and 57,834.28 is: 79,822.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,560.89 : 124,991.76 = 57,834.28 : x
  2. Step 2: Convert to fraction form
    90,560.89/124,991.76 = 57,834.28/x
  3. Step 3: Cross multiply
    90,560.89x = 124,991.76 × 57,834.28
  4. Step 4: Simplify right side
    90,560.89x = 7,228,808,445.53
  5. Step 5: Solve for x
    x = 7,228,808,445.53/90,560.89
  6. Step 6: Final answer
    x = 79,822.63

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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.