Home / 105,591.02-145,679.67-60,236.45

Finding the Fourth Proportional to 105,591.02, 145,679.67 and 60,236.45

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Solution

The fourth proportional to 105,591.02, 145,679.67 and 60,236.45 is: 83,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,591.02 : 145,679.67 = 60,236.45 : x
  2. Step 2: Convert to fraction form
    105,591.02/145,679.67 = 60,236.45/x
  3. Step 3: Cross multiply
    105,591.02x = 145,679.67 × 60,236.45
  4. Step 4: Simplify right side
    105,591.02x = 8,775,226,157.97
  5. Step 5: Solve for x
    x = 8,775,226,157.97/105,591.02
  6. Step 6: Final answer
    x = 83,105.80

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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.