Home / 99,632.46-137,490.04-54,311.32

Finding the Fourth Proportional to 99,632.46, 137,490.04 and 54,311.32

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Solution

The fourth proportional to 99,632.46, 137,490.04 and 54,311.32 is: 74,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,632.46 : 137,490.04 = 54,311.32 : x
  2. Step 2: Convert to fraction form
    99,632.46/137,490.04 = 54,311.32/x
  3. Step 3: Cross multiply
    99,632.46x = 137,490.04 × 54,311.32
  4. Step 4: Simplify right side
    99,632.46x = 7,467,265,559.25
  5. Step 5: Solve for x
    x = 7,467,265,559.25/99,632.46
  6. Step 6: Final answer
    x = 74,948.12

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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.