Home / 90,232.04-124,400.90-74,040.04

Finding the Fourth Proportional to 90,232.04, 124,400.90 and 74,040.04

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Solution

The fourth proportional to 90,232.04, 124,400.90 and 74,040.04 is: 102,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,232.04 : 124,400.90 = 74,040.04 : x
  2. Step 2: Convert to fraction form
    90,232.04/124,400.90 = 74,040.04/x
  3. Step 3: Cross multiply
    90,232.04x = 124,400.90 × 74,040.04
  4. Step 4: Simplify right side
    90,232.04x = 9,210,647,612.04
  5. Step 5: Solve for x
    x = 9,210,647,612.04/90,232.04
  6. Step 6: Final answer
    x = 102,077.35

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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.