Home / 55,143.10-82,714.65-52,810.30

Finding the Fourth Proportional to 55,143.10, 82,714.65 and 52,810.30

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Solution

The fourth proportional to 55,143.10, 82,714.65 and 52,810.30 is: 79,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143.10 : 82,714.65 = 52,810.30 : x
  2. Step 2: Convert to fraction form
    55,143.10/82,714.65 = 52,810.30/x
  3. Step 3: Cross multiply
    55,143.10x = 82,714.65 × 52,810.30
  4. Step 4: Simplify right side
    55,143.10x = 4,368,185,480.90
  5. Step 5: Solve for x
    x = 4,368,185,480.90/55,143.10
  6. Step 6: Final answer
    x = 79,215.45

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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.