Home / 60,528.96-90,726.18-45,689.76

Finding the Fourth Proportional to 60,528.96, 90,726.18 and 45,689.76

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Solution

The fourth proportional to 60,528.96, 90,726.18 and 45,689.76 is: 68,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,528.96 : 90,726.18 = 45,689.76 : x
  2. Step 2: Convert to fraction form
    60,528.96/90,726.18 = 45,689.76/x
  3. Step 3: Cross multiply
    60,528.96x = 90,726.18 × 45,689.76
  4. Step 4: Simplify right side
    60,528.96x = 4,145,257,389.92
  5. Step 5: Solve for x
    x = 4,145,257,389.92/60,528.96
  6. Step 6: Final answer
    x = 68,483.87

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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.