Home / 64,717.18-89,337.28-43,508.76

Finding the Fourth Proportional to 64,717.18, 89,337.28 and 43,508.76

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Solution

The fourth proportional to 64,717.18, 89,337.28 and 43,508.76 is: 60,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,717.18 : 89,337.28 = 43,508.76 : x
  2. Step 2: Convert to fraction form
    64,717.18/89,337.28 = 43,508.76/x
  3. Step 3: Cross multiply
    64,717.18x = 89,337.28 × 43,508.76
  4. Step 4: Simplify right side
    64,717.18x = 3,886,954,274.57
  5. Step 5: Solve for x
    x = 3,886,954,274.57/64,717.18
  6. Step 6: Final answer
    x = 60,060.62

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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.