Home / 88,243.04-121,775.36-48,499.04

Finding the Fourth Proportional to 88,243.04, 121,775.36 and 48,499.04

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Solution

The fourth proportional to 88,243.04, 121,775.36 and 48,499.04 is: 66,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,243.04 : 121,775.36 = 48,499.04 : x
  2. Step 2: Convert to fraction form
    88,243.04/121,775.36 = 48,499.04/x
  3. Step 3: Cross multiply
    88,243.04x = 121,775.36 × 48,499.04
  4. Step 4: Simplify right side
    88,243.04x = 5,905,988,055.65
  5. Step 5: Solve for x
    x = 5,905,988,055.65/88,243.04
  6. Step 6: Final answer
    x = 66,928.66

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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.