Home / 105,741.02-145,926.70-57,996.38

Finding the Fourth Proportional to 105,741.02, 145,926.70 and 57,996.38

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Solution

The fourth proportional to 105,741.02, 145,926.70 and 57,996.38 is: 80,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,741.02 : 145,926.70 = 57,996.38 : x
  2. Step 2: Convert to fraction form
    105,741.02/145,926.70 = 57,996.38/x
  3. Step 3: Cross multiply
    105,741.02x = 145,926.70 × 57,996.38
  4. Step 4: Simplify right side
    105,741.02x = 8,463,220,345.35
  5. Step 5: Solve for x
    x = 8,463,220,345.35/105,741.02
  6. Step 6: Final answer
    x = 80,037.25

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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.