Home / 88,015.63-121,461.60-47,729.38

Finding the Fourth Proportional to 88,015.63, 121,461.60 and 47,729.38

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Solution

The fourth proportional to 88,015.63, 121,461.60 and 47,729.38 is: 65,866.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,015.63 : 121,461.60 = 47,729.38 : x
  2. Step 2: Convert to fraction form
    88,015.63/121,461.60 = 47,729.38/x
  3. Step 3: Cross multiply
    88,015.63x = 121,461.60 × 47,729.38
  4. Step 4: Simplify right side
    88,015.63x = 5,797,287,344.45
  5. Step 5: Solve for x
    x = 5,797,287,344.45/88,015.63
  6. Step 6: Final answer
    x = 65,866.57

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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.