Home / 97,342.97-134,362.02-57,065.45

Finding the Fourth Proportional to 97,342.97, 134,362.02 and 57,065.45

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Solution

The fourth proportional to 97,342.97, 134,362.02 and 57,065.45 is: 78,767.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,342.97 : 134,362.02 = 57,065.45 : x
  2. Step 2: Convert to fraction form
    97,342.97/134,362.02 = 57,065.45/x
  3. Step 3: Cross multiply
    97,342.97x = 134,362.02 × 57,065.45
  4. Step 4: Simplify right side
    97,342.97x = 7,667,428,177.07
  5. Step 5: Solve for x
    x = 7,667,428,177.07/97,342.97
  6. Step 6: Final answer
    x = 78,767.15

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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.