Home / 88,210.26-121,729.65-47,923.74

Finding the Fourth Proportional to 88,210.26, 121,729.65 and 47,923.74

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Solution

The fourth proportional to 88,210.26, 121,729.65 and 47,923.74 is: 66,134.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,210.26 : 121,729.65 = 47,923.74 : x
  2. Step 2: Convert to fraction form
    88,210.26/121,729.65 = 47,923.74/x
  3. Step 3: Cross multiply
    88,210.26x = 121,729.65 × 47,923.74
  4. Step 4: Simplify right side
    88,210.26x = 5,833,740,096.89
  5. Step 5: Solve for x
    x = 5,833,740,096.89/88,210.26
  6. Step 6: Final answer
    x = 66,134.48

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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.