Home / 88,261.68-121,801.64-47,975.76

Finding the Fourth Proportional to 88,261.68, 121,801.64 and 47,975.76

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Solution

The fourth proportional to 88,261.68, 121,801.64 and 47,975.76 is: 66,206.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,261.68 : 121,801.64 = 47,975.76 : x
  2. Step 2: Convert to fraction form
    88,261.68/121,801.64 = 47,975.76/x
  3. Step 3: Cross multiply
    88,261.68x = 121,801.64 × 47,975.76
  4. Step 4: Simplify right side
    88,261.68x = 5,843,526,248.25
  5. Step 5: Solve for x
    x = 5,843,526,248.25/88,261.68
  6. Step 6: Final answer
    x = 66,206.83

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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.