Home / 92,515.19-138,661.04-45,059.16

Finding the Fourth Proportional to 92,515.19, 138,661.04 and 45,059.16

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Solution

The fourth proportional to 92,515.19, 138,661.04 and 45,059.16 is: 67,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,515.19 : 138,661.04 = 45,059.16 : x
  2. Step 2: Convert to fraction form
    92,515.19/138,661.04 = 45,059.16/x
  3. Step 3: Cross multiply
    92,515.19x = 138,661.04 × 45,059.16
  4. Step 4: Simplify right side
    92,515.19x = 6,247,949,761.83
  5. Step 5: Solve for x
    x = 6,247,949,761.83/92,515.19
  6. Step 6: Final answer
    x = 67,534.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.