Home / 56,155.76-77,576.93-48,588.95

Finding the Fourth Proportional to 56,155.76, 77,576.93 and 48,588.95

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Solution

The fourth proportional to 56,155.76, 77,576.93 and 48,588.95 is: 67,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,155.76 : 77,576.93 = 48,588.95 : x
  2. Step 2: Convert to fraction form
    56,155.76/77,576.93 = 48,588.95/x
  3. Step 3: Cross multiply
    56,155.76x = 77,576.93 × 48,588.95
  4. Step 4: Simplify right side
    56,155.76x = 3,769,381,572.92
  5. Step 5: Solve for x
    x = 3,769,381,572.92/56,155.76
  6. Step 6: Final answer
    x = 67,123.69

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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.