Home / 88,774.31-122,512.20-51,048.56

Finding the Fourth Proportional to 88,774.31, 122,512.20 and 51,048.56

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Solution

The fourth proportional to 88,774.31, 122,512.20 and 51,048.56 is: 70,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,774.31 : 122,512.20 = 51,048.56 : x
  2. Step 2: Convert to fraction form
    88,774.31/122,512.20 = 51,048.56/x
  3. Step 3: Cross multiply
    88,774.31x = 122,512.20 × 51,048.56
  4. Step 4: Simplify right side
    88,774.31x = 6,254,071,507.28
  5. Step 5: Solve for x
    x = 6,254,071,507.28/88,774.31
  6. Step 6: Final answer
    x = 70,449.11

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1.5x scale

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.