Home / 77,652.01-106,895.32-57,470.86

Finding the Fourth Proportional to 77,652.01, 106,895.32 and 57,470.86

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Solution

The fourth proportional to 77,652.01, 106,895.32 and 57,470.86 is: 79,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,652.01 : 106,895.32 = 57,470.86 : x
  2. Step 2: Convert to fraction form
    77,652.01/106,895.32 = 57,470.86/x
  3. Step 3: Cross multiply
    77,652.01x = 106,895.32 × 57,470.86
  4. Step 4: Simplify right side
    77,652.01x = 6,143,365,559.46
  5. Step 5: Solve for x
    x = 6,143,365,559.46/77,652.01
  6. Step 6: Final answer
    x = 79,114.06

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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.