Home / 88,095.02-121,571.20-47,808.78

Finding the Fourth Proportional to 88,095.02, 121,571.20 and 47,808.78

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Solution

The fourth proportional to 88,095.02, 121,571.20 and 47,808.78 is: 65,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,095.02 : 121,571.20 = 47,808.78 : x
  2. Step 2: Convert to fraction form
    88,095.02/121,571.20 = 47,808.78/x
  3. Step 3: Cross multiply
    88,095.02x = 121,571.20 × 47,808.78
  4. Step 4: Simplify right side
    88,095.02x = 5,812,170,755.14
  5. Step 5: Solve for x
    x = 5,812,170,755.14/88,095.02
  6. Step 6: Final answer
    x = 65,976.16

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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.