Home / 88,169.28-121,669.98-47,881.89

Finding the Fourth Proportional to 88,169.28, 121,669.98 and 47,881.89

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Solution

The fourth proportional to 88,169.28, 121,669.98 and 47,881.89 is: 66,075.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,169.28 : 121,669.98 = 47,881.89 : x
  2. Step 2: Convert to fraction form
    88,169.28/121,669.98 = 47,881.89/x
  3. Step 3: Cross multiply
    88,169.28x = 121,669.98 × 47,881.89
  4. Step 4: Simplify right side
    88,169.28x = 5,825,788,598.66
  5. Step 5: Solve for x
    x = 5,825,788,598.66/88,169.28
  6. Step 6: Final answer
    x = 66,075.04

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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.