Home / 76,715.08-115,065.06-24,123.16

Finding the Fourth Proportional to 76,715.08, 115,065.06 and 24,123.16

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Solution

The fourth proportional to 76,715.08, 115,065.06 and 24,123.16 is: 36,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,715.08 : 115,065.06 = 24,123.16 : x
  2. Step 2: Convert to fraction form
    76,715.08/115,065.06 = 24,123.16/x
  3. Step 3: Cross multiply
    76,715.08x = 115,065.06 × 24,123.16
  4. Step 4: Simplify right side
    76,715.08x = 2,775,732,852.79
  5. Step 5: Solve for x
    x = 2,775,732,852.79/76,715.08
  6. Step 6: Final answer
    x = 36,182.36

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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.