Home / 79,304.10-109,482.16-61,248.26

Finding the Fourth Proportional to 79,304.10, 109,482.16 and 61,248.26

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Solution

The fourth proportional to 79,304.10, 109,482.16 and 61,248.26 is: 84,555.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,304.10 : 109,482.16 = 61,248.26 : x
  2. Step 2: Convert to fraction form
    79,304.10/109,482.16 = 61,248.26/x
  3. Step 3: Cross multiply
    79,304.10x = 109,482.16 × 61,248.26
  4. Step 4: Simplify right side
    79,304.10x = 6,705,591,801.04
  5. Step 5: Solve for x
    x = 6,705,591,801.04/79,304.10
  6. Step 6: Final answer
    x = 84,555.42

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1.5x scale

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.