Home / 91,331.50-137,038.29-58,042.93

Finding the Fourth Proportional to 91,331.50, 137,038.29 and 58,042.93

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Solution

The fourth proportional to 91,331.50, 137,038.29 and 58,042.93 is: 87,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,331.50 : 137,038.29 = 58,042.93 : x
  2. Step 2: Convert to fraction form
    91,331.50/137,038.29 = 58,042.93/x
  3. Step 3: Cross multiply
    91,331.50x = 137,038.29 × 58,042.93
  4. Step 4: Simplify right side
    91,331.50x = 7,954,103,873.79
  5. Step 5: Solve for x
    x = 7,954,103,873.79/91,331.50
  6. Step 6: Final answer
    x = 87,090.48

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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.