Home / 91,588.48-137,402.46-28,407.35

Finding the Fourth Proportional to 91,588.48, 137,402.46 and 28,407.35

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Solution

The fourth proportional to 91,588.48, 137,402.46 and 28,407.35 is: 42,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,588.48 : 137,402.46 = 28,407.35 : x
  2. Step 2: Convert to fraction form
    91,588.48/137,402.46 = 28,407.35/x
  3. Step 3: Cross multiply
    91,588.48x = 137,402.46 × 28,407.35
  4. Step 4: Simplify right side
    91,588.48x = 3,903,239,342.70
  5. Step 5: Solve for x
    x = 3,903,239,342.70/91,588.48
  6. Step 6: Final answer
    x = 42,617.14

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1.5x scale

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.