Home / 91,001.40-136,502.10-64,429.35

Finding the Fourth Proportional to 91,001.40, 136,502.10 and 64,429.35

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Solution

The fourth proportional to 91,001.40, 136,502.10 and 64,429.35 is: 96,644.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,001.40 : 136,502.10 = 64,429.35 : x
  2. Step 2: Convert to fraction form
    91,001.40/136,502.10 = 64,429.35/x
  3. Step 3: Cross multiply
    91,001.40x = 136,502.10 × 64,429.35
  4. Step 4: Simplify right side
    91,001.40x = 8,794,741,576.64
  5. Step 5: Solve for x
    x = 8,794,741,576.64/91,001.40
  6. Step 6: Final answer
    x = 96,644.03

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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.