Home / 82,883.11-124,323.75-49,612.45

Finding the Fourth Proportional to 82,883.11, 124,323.75 and 49,612.45

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Solution

The fourth proportional to 82,883.11, 124,323.75 and 49,612.45 is: 74,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,883.11 : 124,323.75 = 49,612.45 : x
  2. Step 2: Convert to fraction form
    82,883.11/124,323.75 = 49,612.45/x
  3. Step 3: Cross multiply
    82,883.11x = 124,323.75 × 49,612.45
  4. Step 4: Simplify right side
    82,883.11x = 6,168,005,830.69
  5. Step 5: Solve for x
    x = 6,168,005,830.69/82,883.11
  6. Step 6: Final answer
    x = 74,418.13

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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.