Home / 88,018.34-121,461.92-47,731.36

Finding the Fourth Proportional to 88,018.34, 121,461.92 and 47,731.36

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Solution

The fourth proportional to 88,018.34, 121,461.92 and 47,731.36 is: 65,867.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,018.34 : 121,461.92 = 47,731.36 : x
  2. Step 2: Convert to fraction form
    88,018.34/121,461.92 = 47,731.36/x
  3. Step 3: Cross multiply
    88,018.34x = 121,461.92 × 47,731.36
  4. Step 4: Simplify right side
    88,018.34x = 5,797,542,629.81
  5. Step 5: Solve for x
    x = 5,797,542,629.81/88,018.34
  6. Step 6: Final answer
    x = 65,867.44

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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.