Home / 115,990.08-173,705.92-65,947.76

Finding the Fourth Proportional to 115,990.08, 173,705.92 and 65,947.76

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Solution

The fourth proportional to 115,990.08, 173,705.92 and 65,947.76 is: 98,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,990.08 : 173,705.92 = 65,947.76 : x
  2. Step 2: Convert to fraction form
    115,990.08/173,705.92 = 65,947.76/x
  3. Step 3: Cross multiply
    115,990.08x = 173,705.92 × 65,947.76
  4. Step 4: Simplify right side
    115,990.08x = 11,455,516,322.74
  5. Step 5: Solve for x
    x = 11,455,516,322.74/115,990.08
  6. Step 6: Final answer
    x = 98,762.90

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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.