Home / 77,177.79-115,585.23-37,610.91

Finding the Fourth Proportional to 77,177.79, 115,585.23 and 37,610.91

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Solution

The fourth proportional to 77,177.79, 115,585.23 and 37,610.91 is: 56,327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,177.79 : 115,585.23 = 37,610.91 : x
  2. Step 2: Convert to fraction form
    77,177.79/115,585.23 = 37,610.91/x
  3. Step 3: Cross multiply
    77,177.79x = 115,585.23 × 37,610.91
  4. Step 4: Simplify right side
    77,177.79x = 4,347,265,682.86
  5. Step 5: Solve for x
    x = 4,347,265,682.86/77,177.79
  6. Step 6: Final answer
    x = 56,327.94

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1.5x scale

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.