Home / 97,427.61-134,470.13-57,162.51

Finding the Fourth Proportional to 97,427.61, 134,470.13 and 57,162.51

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Solution

The fourth proportional to 97,427.61, 134,470.13 and 57,162.51 is: 78,896.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,427.61 : 134,470.13 = 57,162.51 : x
  2. Step 2: Convert to fraction form
    97,427.61/134,470.13 = 57,162.51/x
  3. Step 3: Cross multiply
    97,427.61x = 134,470.13 × 57,162.51
  4. Step 4: Simplify right side
    97,427.61x = 7,686,649,865.01
  5. Step 5: Solve for x
    x = 7,686,649,865.01/97,427.61
  6. Step 6: Final answer
    x = 78,896.01

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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.