Home / 81,335.15-112,242.48-45,525.15

Finding the Fourth Proportional to 81,335.15, 112,242.48 and 45,525.15

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Solution

The fourth proportional to 81,335.15, 112,242.48 and 45,525.15 is: 62,824.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,335.15 : 112,242.48 = 45,525.15 : x
  2. Step 2: Convert to fraction form
    81,335.15/112,242.48 = 45,525.15/x
  3. Step 3: Cross multiply
    81,335.15x = 112,242.48 × 45,525.15
  4. Step 4: Simplify right side
    81,335.15x = 5,109,855,738.37
  5. Step 5: Solve for x
    x = 5,109,855,738.37/81,335.15
  6. Step 6: Final answer
    x = 62,824.69

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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.