Home / 88,015.32-121,461.18-47,729.07

Finding the Fourth Proportional to 88,015.32, 121,461.18 and 47,729.07

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Solution

The fourth proportional to 88,015.32, 121,461.18 and 47,729.07 is: 65,866.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,015.32 : 121,461.18 = 47,729.07 : x
  2. Step 2: Convert to fraction form
    88,015.32/121,461.18 = 47,729.07/x
  3. Step 3: Cross multiply
    88,015.32x = 121,461.18 × 47,729.07
  4. Step 4: Simplify right side
    88,015.32x = 5,797,229,439.00
  5. Step 5: Solve for x
    x = 5,797,229,439.00/88,015.32
  6. Step 6: Final answer
    x = 65,866.14

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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.