Home / 88,029.58-121,480.47-47,743.18

Finding the Fourth Proportional to 88,029.58, 121,480.47 and 47,743.18

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Solution

The fourth proportional to 88,029.58, 121,480.47 and 47,743.18 is: 65,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,029.58 : 121,480.47 = 47,743.18 : x
  2. Step 2: Convert to fraction form
    88,029.58/121,480.47 = 47,743.18/x
  3. Step 3: Cross multiply
    88,029.58x = 121,480.47 × 47,743.18
  4. Step 4: Simplify right side
    88,029.58x = 5,799,863,945.69
  5. Step 5: Solve for x
    x = 5,799,863,945.69/88,029.58
  6. Step 6: Final answer
    x = 65,885.40

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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.