Home / 88,130.30-121,619.90-47,844.04

Finding the Fourth Proportional to 88,130.30, 121,619.90 and 47,844.04

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Solution

The fourth proportional to 88,130.30, 121,619.90 and 47,844.04 is: 66,024.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,130.30 : 121,619.90 = 47,844.04 : x
  2. Step 2: Convert to fraction form
    88,130.30/121,619.90 = 47,844.04/x
  3. Step 3: Cross multiply
    88,130.30x = 121,619.90 × 47,844.04
  4. Step 4: Simplify right side
    88,130.30x = 5,818,787,360.40
  5. Step 5: Solve for x
    x = 5,818,787,360.40/88,130.30
  6. Step 6: Final answer
    x = 66,024.82

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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.