Home / 55,805.40-83,708.10-34,810.20

Finding the Fourth Proportional to 55,805.40, 83,708.10 and 34,810.20

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Solution

The fourth proportional to 55,805.40, 83,708.10 and 34,810.20 is: 52,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,805.40 : 83,708.10 = 34,810.20 : x
  2. Step 2: Convert to fraction form
    55,805.40/83,708.10 = 34,810.20/x
  3. Step 3: Cross multiply
    55,805.40x = 83,708.10 × 34,810.20
  4. Step 4: Simplify right side
    55,805.40x = 2,913,895,702.62
  5. Step 5: Solve for x
    x = 2,913,895,702.62/55,805.40
  6. Step 6: Final answer
    x = 52,215.30

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1.5x scale

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.