Home / 88,122.28-121,610.81-52,312.43

Finding the Fourth Proportional to 88,122.28, 121,610.81 and 52,312.43

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Solution

The fourth proportional to 88,122.28, 121,610.81 and 52,312.43 is: 72,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,122.28 : 121,610.81 = 52,312.43 : x
  2. Step 2: Convert to fraction form
    88,122.28/121,610.81 = 52,312.43/x
  3. Step 3: Cross multiply
    88,122.28x = 121,610.81 × 52,312.43
  4. Step 4: Simplify right side
    88,122.28x = 6,361,756,985.37
  5. Step 5: Solve for x
    x = 6,361,756,985.37/88,122.28
  6. Step 6: Final answer
    x = 72,192.38

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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.