Home / 69,980.25-96,545.33-43,076.05

Finding the Fourth Proportional to 69,980.25, 96,545.33 and 43,076.05

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Solution

The fourth proportional to 69,980.25, 96,545.33 and 43,076.05 is: 59,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,980.25 : 96,545.33 = 43,076.05 : x
  2. Step 2: Convert to fraction form
    69,980.25/96,545.33 = 43,076.05/x
  3. Step 3: Cross multiply
    69,980.25x = 96,545.33 × 43,076.05
  4. Step 4: Simplify right side
    69,980.25x = 4,158,791,952.51
  5. Step 5: Solve for x
    x = 4,158,791,952.51/69,980.25
  6. Step 6: Final answer
    x = 59,428.08

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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.