Home / 88,332.80-121,901.27-48,048.72

Finding the Fourth Proportional to 88,332.80, 121,901.27 and 48,048.72

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Solution

The fourth proportional to 88,332.80, 121,901.27 and 48,048.72 is: 66,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,332.80 : 121,901.27 = 48,048.72 : x
  2. Step 2: Convert to fraction form
    88,332.80/121,901.27 = 48,048.72/x
  3. Step 3: Cross multiply
    88,332.80x = 121,901.27 × 48,048.72
  4. Step 4: Simplify right side
    88,332.80x = 5,857,199,380.37
  5. Step 5: Solve for x
    x = 5,857,199,380.37/88,332.80
  6. Step 6: Final answer
    x = 66,308.32

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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.