Home / 97,343.03-134,362.11-57,065.51

Finding the Fourth Proportional to 97,343.03, 134,362.11 and 57,065.51

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Solution

The fourth proportional to 97,343.03, 134,362.11 and 57,065.51 is: 78,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,343.03 : 134,362.11 = 57,065.51 : x
  2. Step 2: Convert to fraction form
    97,343.03/134,362.11 = 57,065.51/x
  3. Step 3: Cross multiply
    97,343.03x = 134,362.11 × 57,065.51
  4. Step 4: Simplify right side
    97,343.03x = 7,667,442,331.83
  5. Step 5: Solve for x
    x = 7,667,442,331.83/97,343.03
  6. Step 6: Final answer
    x = 78,767.25

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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.