Home / 91,402.58-137,048.51-59,774.46

Finding the Fourth Proportional to 91,402.58, 137,048.51 and 59,774.46

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Solution

The fourth proportional to 91,402.58, 137,048.51 and 59,774.46 is: 89,625.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,402.58 : 137,048.51 = 59,774.46 : x
  2. Step 2: Convert to fraction form
    91,402.58/137,048.51 = 59,774.46/x
  3. Step 3: Cross multiply
    91,402.58x = 137,048.51 × 59,774.46
  4. Step 4: Simplify right side
    91,402.58x = 8,192,000,380.18
  5. Step 5: Solve for x
    x = 8,192,000,380.18/91,402.58
  6. Step 6: Final answer
    x = 89,625.49

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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.