Home / 99,278.33-148,918.10-69,827.94

Finding the Fourth Proportional to 99,278.33, 148,918.10 and 69,827.94

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Solution

The fourth proportional to 99,278.33, 148,918.10 and 69,827.94 is: 104,742.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,278.33 : 148,918.10 = 69,827.94 : x
  2. Step 2: Convert to fraction form
    99,278.33/148,918.10 = 69,827.94/x
  3. Step 3: Cross multiply
    99,278.33x = 148,918.10 × 69,827.94
  4. Step 4: Simplify right side
    99,278.33x = 10,398,643,802.57
  5. Step 5: Solve for x
    x = 10,398,643,802.57/99,278.33
  6. Step 6: Final answer
    x = 104,742.34

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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.