Home / 88,208.28-121,728.28-47,922.36

Finding the Fourth Proportional to 88,208.28, 121,728.28 and 47,922.36

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Solution

The fourth proportional to 88,208.28, 121,728.28 and 47,922.36 is: 66,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,208.28 : 121,728.28 = 47,922.36 : x
  2. Step 2: Convert to fraction form
    88,208.28/121,728.28 = 47,922.36/x
  3. Step 3: Cross multiply
    88,208.28x = 121,728.28 × 47,922.36
  4. Step 4: Simplify right side
    88,208.28x = 5,833,506,456.34
  5. Step 5: Solve for x
    x = 5,833,506,456.34/88,208.28
  6. Step 6: Final answer
    x = 66,133.32

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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.