Home / 81,224.22-112,084.23-45,417.18

Finding the Fourth Proportional to 81,224.22, 112,084.23 and 45,417.18

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Solution

The fourth proportional to 81,224.22, 112,084.23 and 45,417.18 is: 62,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,224.22 : 112,084.23 = 45,417.18 : x
  2. Step 2: Convert to fraction form
    81,224.22/112,084.23 = 45,417.18/x
  3. Step 3: Cross multiply
    81,224.22x = 112,084.23 × 45,417.18
  4. Step 4: Simplify right side
    81,224.22x = 5,090,549,649.07
  5. Step 5: Solve for x
    x = 5,090,549,649.07/81,224.22
  6. Step 6: Final answer
    x = 62,672.80

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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.