Home / 90,347.70-124,677.99-50,061.36

Finding the Fourth Proportional to 90,347.70, 124,677.99 and 50,061.36

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Solution

The fourth proportional to 90,347.70, 124,677.99 and 50,061.36 is: 69,083.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,347.70 : 124,677.99 = 50,061.36 : x
  2. Step 2: Convert to fraction form
    90,347.70/124,677.99 = 50,061.36/x
  3. Step 3: Cross multiply
    90,347.70x = 124,677.99 × 50,061.36
  4. Step 4: Simplify right side
    90,347.70x = 6,241,549,741.47
  5. Step 5: Solve for x
    x = 6,241,549,741.47/90,347.70
  6. Step 6: Final answer
    x = 69,083.66

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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.