Home / 81,493.32-112,461.18-47,525.36

Finding the Fourth Proportional to 81,493.32, 112,461.18 and 47,525.36

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Solution

The fourth proportional to 81,493.32, 112,461.18 and 47,525.36 is: 65,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,493.32 : 112,461.18 = 47,525.36 : x
  2. Step 2: Convert to fraction form
    81,493.32/112,461.18 = 47,525.36/x
  3. Step 3: Cross multiply
    81,493.32x = 112,461.18 × 47,525.36
  4. Step 4: Simplify right side
    81,493.32x = 5,344,758,065.52
  5. Step 5: Solve for x
    x = 5,344,758,065.52/81,493.32
  6. Step 6: Final answer
    x = 65,585.23

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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.