Home / 88,247.47-121,782.45-47,961.23

Finding the Fourth Proportional to 88,247.47, 121,782.45 and 47,961.23

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Solution

The fourth proportional to 88,247.47, 121,782.45 and 47,961.23 is: 66,187.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,247.47 : 121,782.45 = 47,961.23 : x
  2. Step 2: Convert to fraction form
    88,247.47/121,782.45 = 47,961.23/x
  3. Step 3: Cross multiply
    88,247.47x = 121,782.45 × 47,961.23
  4. Step 4: Simplify right side
    88,247.47x = 5,840,836,094.41
  5. Step 5: Solve for x
    x = 5,840,836,094.41/88,247.47
  6. Step 6: Final answer
    x = 66,187.01

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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.