Home / 91,308.64-126,018.43-52,545.66

Finding the Fourth Proportional to 91,308.64, 126,018.43 and 52,545.66

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Solution

The fourth proportional to 91,308.64, 126,018.43 and 52,545.66 is: 72,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,308.64 : 126,018.43 = 52,545.66 : x
  2. Step 2: Convert to fraction form
    91,308.64/126,018.43 = 52,545.66/x
  3. Step 3: Cross multiply
    91,308.64x = 126,018.43 × 52,545.66
  4. Step 4: Simplify right side
    91,308.64x = 6,621,721,576.51
  5. Step 5: Solve for x
    x = 6,621,721,576.51/91,308.64
  6. Step 6: Final answer
    x = 72,520.21

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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.