Home / 83,036.16-124,556.40-26,878.32

Finding the Fourth Proportional to 83,036.16, 124,556.40 and 26,878.32

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Solution

The fourth proportional to 83,036.16, 124,556.40 and 26,878.32 is: 40,318.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,036.16 : 124,556.40 = 26,878.32 : x
  2. Step 2: Convert to fraction form
    83,036.16/124,556.40 = 26,878.32/x
  3. Step 3: Cross multiply
    83,036.16x = 124,556.40 × 26,878.32
  4. Step 4: Simplify right side
    83,036.16x = 3,347,866,777.25
  5. Step 5: Solve for x
    x = 3,347,866,777.25/83,036.16
  6. Step 6: Final answer
    x = 40,318.18

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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.