Home / 97,112.10-145,668.15-57,713.70

Finding the Fourth Proportional to 97,112.10, 145,668.15 and 57,713.70

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Solution

The fourth proportional to 97,112.10, 145,668.15 and 57,713.70 is: 86,570.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,112.10 : 145,668.15 = 57,713.70 : x
  2. Step 2: Convert to fraction form
    97,112.10/145,668.15 = 57,713.70/x
  3. Step 3: Cross multiply
    97,112.10x = 145,668.15 × 57,713.70
  4. Step 4: Simplify right side
    97,112.10x = 8,407,047,908.66
  5. Step 5: Solve for x
    x = 8,407,047,908.66/97,112.10
  6. Step 6: Final answer
    x = 86,570.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.