Home / 80,036.10-120,013.02-46,821.06

Finding the Fourth Proportional to 80,036.10, 120,013.02 and 46,821.06

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Solution

The fourth proportional to 80,036.10, 120,013.02 and 46,821.06 is: 70,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,036.10 : 120,013.02 = 46,821.06 : x
  2. Step 2: Convert to fraction form
    80,036.10/120,013.02 = 46,821.06/x
  3. Step 3: Cross multiply
    80,036.10x = 120,013.02 × 46,821.06
  4. Step 4: Simplify right side
    80,036.10x = 5,619,136,810.20
  5. Step 5: Solve for x
    x = 5,619,136,810.20/80,036.10
  6. Step 6: Final answer
    x = 70,207.53

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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.