Home / 77,327.92-106,720.02-43,342.18

Finding the Fourth Proportional to 77,327.92, 106,720.02 and 43,342.18

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Solution

The fourth proportional to 77,327.92, 106,720.02 and 43,342.18 is: 59,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,327.92 : 106,720.02 = 43,342.18 : x
  2. Step 2: Convert to fraction form
    77,327.92/106,720.02 = 43,342.18/x
  3. Step 3: Cross multiply
    77,327.92x = 106,720.02 × 43,342.18
  4. Step 4: Simplify right side
    77,327.92x = 4,625,478,316.44
  5. Step 5: Solve for x
    x = 4,625,478,316.44/77,327.92
  6. Step 6: Final answer
    x = 59,816.41

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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.