Home / 88,105.02-121,585.04-47,818.77

Finding the Fourth Proportional to 88,105.02, 121,585.04 and 47,818.77

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Solution

The fourth proportional to 88,105.02, 121,585.04 and 47,818.77 is: 65,989.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,105.02 : 121,585.04 = 47,818.77 : x
  2. Step 2: Convert to fraction form
    88,105.02/121,585.04 = 47,818.77/x
  3. Step 3: Cross multiply
    88,105.02x = 121,585.04 × 47,818.77
  4. Step 4: Simplify right side
    88,105.02x = 5,814,046,824.11
  5. Step 5: Solve for x
    x = 5,814,046,824.11/88,105.02
  6. Step 6: Final answer
    x = 65,989.96

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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.