Home / 88,146.30-121,641.18-47,859.24

Finding the Fourth Proportional to 88,146.30, 121,641.18 and 47,859.24

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Solution

The fourth proportional to 88,146.30, 121,641.18 and 47,859.24 is: 66,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,146.30 : 121,641.18 = 47,859.24 : x
  2. Step 2: Convert to fraction form
    88,146.30/121,641.18 = 47,859.24/x
  3. Step 3: Cross multiply
    88,146.30x = 121,641.18 × 47,859.24
  4. Step 4: Simplify right side
    88,146.30x = 5,821,654,427.50
  5. Step 5: Solve for x
    x = 5,821,654,427.50/88,146.30
  6. Step 6: Final answer
    x = 66,045.36

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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.