Home / 83,231.04-124,878-49,974.29

Finding the Fourth Proportional to 83,231.04, 124,878 and 49,974.29

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Solution

The fourth proportional to 83,231.04, 124,878 and 49,974.29 is: 74,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,231.04 : 124,878 = 49,974.29 : x
  2. Step 2: Convert to fraction form
    83,231.04/124,878 = 49,974.29/x
  3. Step 3: Cross multiply
    83,231.04x = 124,878 × 49,974.29
  4. Step 4: Simplify right side
    83,231.04x = 6,240,688,762.23
  5. Step 5: Solve for x
    x = 6,240,688,762.23/83,231.04
  6. Step 6: Final answer
    x = 74,980.30

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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.