Home / 99,373.32-149,117.39-52,626.20

Finding the Fourth Proportional to 99,373.32, 149,117.39 and 52,626.20

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Solution

The fourth proportional to 99,373.32, 149,117.39 and 52,626.20 is: 78,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,373.32 : 149,117.39 = 52,626.20 : x
  2. Step 2: Convert to fraction form
    99,373.32/149,117.39 = 52,626.20/x
  3. Step 3: Cross multiply
    99,373.32x = 149,117.39 × 52,626.20
  4. Step 4: Simplify right side
    99,373.32x = 7,847,480,580.90
  5. Step 5: Solve for x
    x = 7,847,480,580.90/99,373.32
  6. Step 6: Final answer
    x = 78,969.69

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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.