Home / 83,018.04-124,526.56-38,620.32

Finding the Fourth Proportional to 83,018.04, 124,526.56 and 38,620.32

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Solution

The fourth proportional to 83,018.04, 124,526.56 and 38,620.32 is: 57,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,018.04 : 124,526.56 = 38,620.32 : x
  2. Step 2: Convert to fraction form
    83,018.04/124,526.56 = 38,620.32/x
  3. Step 3: Cross multiply
    83,018.04x = 124,526.56 × 38,620.32
  4. Step 4: Simplify right side
    83,018.04x = 4,809,255,595.70
  5. Step 5: Solve for x
    x = 4,809,255,595.70/83,018.04
  6. Step 6: Final answer
    x = 57,930.25

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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.