Home / 106,784.80-147,373.98-61,464.48

Finding the Fourth Proportional to 106,784.80, 147,373.98 and 61,464.48

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Solution

The fourth proportional to 106,784.80, 147,373.98 and 61,464.48 is: 84,827.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,784.80 : 147,373.98 = 61,464.48 : x
  2. Step 2: Convert to fraction form
    106,784.80/147,373.98 = 61,464.48/x
  3. Step 3: Cross multiply
    106,784.80x = 147,373.98 × 61,464.48
  4. Step 4: Simplify right side
    106,784.80x = 9,058,265,046.23
  5. Step 5: Solve for x
    x = 9,058,265,046.23/106,784.80
  6. Step 6: Final answer
    x = 84,827.29

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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.