Home / 91,325.44-136,964.40-38,707.84

Finding the Fourth Proportional to 91,325.44, 136,964.40 and 38,707.84

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Solution

The fourth proportional to 91,325.44, 136,964.40 and 38,707.84 is: 58,051.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,325.44 : 136,964.40 = 38,707.84 : x
  2. Step 2: Convert to fraction form
    91,325.44/136,964.40 = 38,707.84/x
  3. Step 3: Cross multiply
    91,325.44x = 136,964.40 × 38,707.84
  4. Step 4: Simplify right side
    91,325.44x = 5,301,596,080.90
  5. Step 5: Solve for x
    x = 5,301,596,080.90/91,325.44
  6. Step 6: Final answer
    x = 58,051.69

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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.