Home / 91,008.75-136,574.59-31,844.94

Finding the Fourth Proportional to 91,008.75, 136,574.59 and 31,844.94

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Solution

The fourth proportional to 91,008.75, 136,574.59 and 31,844.94 is: 47,788.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,008.75 : 136,574.59 = 31,844.94 : x
  2. Step 2: Convert to fraction form
    91,008.75/136,574.59 = 31,844.94/x
  3. Step 3: Cross multiply
    91,008.75x = 136,574.59 × 31,844.94
  4. Step 4: Simplify right side
    91,008.75x = 4,349,209,624.07
  5. Step 5: Solve for x
    x = 4,349,209,624.07/91,008.75
  6. Step 6: Final answer
    x = 47,788.92

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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.