Home / 121,094.39-181,641.69-57,899.66

Finding the Fourth Proportional to 121,094.39, 181,641.69 and 57,899.66

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Solution

The fourth proportional to 121,094.39, 181,641.69 and 57,899.66 is: 86,849.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,094.39 : 181,641.69 = 57,899.66 : x
  2. Step 2: Convert to fraction form
    121,094.39/181,641.69 = 57,899.66/x
  3. Step 3: Cross multiply
    121,094.39x = 181,641.69 × 57,899.66
  4. Step 4: Simplify right side
    121,094.39x = 10,516,991,184.62
  5. Step 5: Solve for x
    x = 10,516,991,184.62/121,094.39
  6. Step 6: Final answer
    x = 86,849.53

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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.