Home / 88,386.69-121,972.37-48,642.69

Finding the Fourth Proportional to 88,386.69, 121,972.37 and 48,642.69

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Solution

The fourth proportional to 88,386.69, 121,972.37 and 48,642.69 is: 67,126.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,386.69 : 121,972.37 = 48,642.69 : x
  2. Step 2: Convert to fraction form
    88,386.69/121,972.37 = 48,642.69/x
  3. Step 3: Cross multiply
    88,386.69x = 121,972.37 × 48,642.69
  4. Step 4: Simplify right side
    88,386.69x = 5,933,063,939.26
  5. Step 5: Solve for x
    x = 5,933,063,939.26/88,386.69
  6. Step 6: Final answer
    x = 67,126.21

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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.