Home / 91,727.40-137,567.70-28,535.16

Finding the Fourth Proportional to 91,727.40, 137,567.70 and 28,535.16

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Solution

The fourth proportional to 91,727.40, 137,567.70 and 28,535.16 is: 42,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,727.40 : 137,567.70 = 28,535.16 : x
  2. Step 2: Convert to fraction form
    91,727.40/137,567.70 = 28,535.16/x
  3. Step 3: Cross multiply
    91,727.40x = 137,567.70 × 28,535.16
  4. Step 4: Simplify right side
    91,727.40x = 3,925,516,330.33
  5. Step 5: Solve for x
    x = 3,925,516,330.33/91,727.40
  6. Step 6: Final answer
    x = 42,795.46

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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.