Home / 88,030.24-121,480.88-47,744.88

Finding the Fourth Proportional to 88,030.24, 121,480.88 and 47,744.88

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Solution

The fourth proportional to 88,030.24, 121,480.88 and 47,744.88 is: 65,887.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,030.24 : 121,480.88 = 47,744.88 : x
  2. Step 2: Convert to fraction form
    88,030.24/121,480.88 = 47,744.88/x
  3. Step 3: Cross multiply
    88,030.24x = 121,480.88 × 47,744.88
  4. Step 4: Simplify right side
    88,030.24x = 5,800,090,037.89
  5. Step 5: Solve for x
    x = 5,800,090,037.89/88,030.24
  6. Step 6: Final answer
    x = 65,887.47

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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.