Home / 56,278.08-77,669.28-32,405.76

Finding the Fourth Proportional to 56,278.08, 77,669.28 and 32,405.76

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Solution

The fourth proportional to 56,278.08, 77,669.28 and 32,405.76 is: 44,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,278.08 : 77,669.28 = 32,405.76 : x
  2. Step 2: Convert to fraction form
    56,278.08/77,669.28 = 32,405.76/x
  3. Step 3: Cross multiply
    56,278.08x = 77,669.28 × 32,405.76
  4. Step 4: Simplify right side
    56,278.08x = 2,516,932,047.05
  5. Step 5: Solve for x
    x = 2,516,932,047.05/56,278.08
  6. Step 6: Final answer
    x = 44,723.13

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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.