Home / 121,094.90-181,642.44-57,900.16

Finding the Fourth Proportional to 121,094.90, 181,642.44 and 57,900.16

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Solution

The fourth proportional to 121,094.90, 181,642.44 and 57,900.16 is: 86,850.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,094.90 : 181,642.44 = 57,900.16 : x
  2. Step 2: Convert to fraction form
    121,094.90/181,642.44 = 57,900.16/x
  3. Step 3: Cross multiply
    121,094.90x = 181,642.44 × 57,900.16
  4. Step 4: Simplify right side
    121,094.90x = 10,517,125,430.58
  5. Step 5: Solve for x
    x = 10,517,125,430.58/121,094.90
  6. Step 6: Final answer
    x = 86,850.28

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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.