Home / 91,038.42-125,631.58-50,754.65

Finding the Fourth Proportional to 91,038.42, 125,631.58 and 50,754.65

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Solution

The fourth proportional to 91,038.42, 125,631.58 and 50,754.65 is: 70,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,038.42 : 125,631.58 = 50,754.65 : x
  2. Step 2: Convert to fraction form
    91,038.42/125,631.58 = 50,754.65/x
  3. Step 3: Cross multiply
    91,038.42x = 125,631.58 × 50,754.65
  4. Step 4: Simplify right side
    91,038.42x = 6,376,386,116.80
  5. Step 5: Solve for x
    x = 6,376,386,116.80/91,038.42
  6. Step 6: Final answer
    x = 70,040.61

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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.