Home / 49,543.02-68,344.29-31,619.34

Finding the Fourth Proportional to 49,543.02, 68,344.29 and 31,619.34

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Solution

The fourth proportional to 49,543.02, 68,344.29 and 31,619.34 is: 43,618.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,543.02 : 68,344.29 = 31,619.34 : x
  2. Step 2: Convert to fraction form
    49,543.02/68,344.29 = 31,619.34/x
  3. Step 3: Cross multiply
    49,543.02x = 68,344.29 × 31,619.34
  4. Step 4: Simplify right side
    49,543.02x = 2,161,001,342.57
  5. Step 5: Solve for x
    x = 2,161,001,342.57/49,543.02
  6. Step 6: Final answer
    x = 43,618.68

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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.