Home / 88,267.92-121,807.76-47,981.28

Finding the Fourth Proportional to 88,267.92, 121,807.76 and 47,981.28

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Solution

The fourth proportional to 88,267.92, 121,807.76 and 47,981.28 is: 66,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,267.92 : 121,807.76 = 47,981.28 : x
  2. Step 2: Convert to fraction form
    88,267.92/121,807.76 = 47,981.28/x
  3. Step 3: Cross multiply
    88,267.92x = 121,807.76 × 47,981.28
  4. Step 4: Simplify right side
    88,267.92x = 5,844,492,238.73
  5. Step 5: Solve for x
    x = 5,844,492,238.73/88,267.92
  6. Step 6: Final answer
    x = 66,213.10

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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.