Home / 56,477.76-77,938.58-32,278.46

Finding the Fourth Proportional to 56,477.76, 77,938.58 and 32,278.46

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Solution

The fourth proportional to 56,477.76, 77,938.58 and 32,278.46 is: 44,543.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,477.76 : 77,938.58 = 32,278.46 : x
  2. Step 2: Convert to fraction form
    56,477.76/77,938.58 = 32,278.46/x
  3. Step 3: Cross multiply
    56,477.76x = 77,938.58 × 32,278.46
  4. Step 4: Simplify right side
    56,477.76x = 2,515,736,785.90
  5. Step 5: Solve for x
    x = 2,515,736,785.90/56,477.76
  6. Step 6: Final answer
    x = 44,543.85

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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.