Home / 81,546.92-112,508.18-47,547.72

Finding the Fourth Proportional to 81,546.92, 112,508.18 and 47,547.72

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Solution

The fourth proportional to 81,546.92, 112,508.18 and 47,547.72 is: 65,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,546.92 : 112,508.18 = 47,547.72 : x
  2. Step 2: Convert to fraction form
    81,546.92/112,508.18 = 47,547.72/x
  3. Step 3: Cross multiply
    81,546.92x = 112,508.18 × 47,547.72
  4. Step 4: Simplify right side
    81,546.92x = 5,349,507,440.35
  5. Step 5: Solve for x
    x = 5,349,507,440.35/81,546.92
  6. Step 6: Final answer
    x = 65,600.36

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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.