Home / 90,471.04-124,858.20-52,232.56

Finding the Fourth Proportional to 90,471.04, 124,858.20 and 52,232.56

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Solution

The fourth proportional to 90,471.04, 124,858.20 and 52,232.56 is: 72,085.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,471.04 : 124,858.20 = 52,232.56 : x
  2. Step 2: Convert to fraction form
    90,471.04/124,858.20 = 52,232.56/x
  3. Step 3: Cross multiply
    90,471.04x = 124,858.20 × 52,232.56
  4. Step 4: Simplify right side
    90,471.04x = 6,521,663,422.99
  5. Step 5: Solve for x
    x = 6,521,663,422.99/90,471.04
  6. Step 6: Final answer
    x = 72,085.65

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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.