Home / 81,263.02-112,132.84-45,447.24

Finding the Fourth Proportional to 81,263.02, 112,132.84 and 45,447.24

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Solution

The fourth proportional to 81,263.02, 112,132.84 and 45,447.24 is: 62,711.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,263.02 : 112,132.84 = 45,447.24 : x
  2. Step 2: Convert to fraction form
    81,263.02/112,132.84 = 45,447.24/x
  3. Step 3: Cross multiply
    81,263.02x = 112,132.84 × 45,447.24
  4. Step 4: Simplify right side
    81,263.02x = 5,096,128,091.36
  5. Step 5: Solve for x
    x = 5,096,128,091.36/81,263.02
  6. Step 6: Final answer
    x = 62,711.53

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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.