Home / 124,550.04-171,882.84-70,842.78

Finding the Fourth Proportional to 124,550.04, 171,882.84 and 70,842.78

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Solution

The fourth proportional to 124,550.04, 171,882.84 and 70,842.78 is: 97,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,550.04 : 171,882.84 = 70,842.78 : x
  2. Step 2: Convert to fraction form
    124,550.04/171,882.84 = 70,842.78/x
  3. Step 3: Cross multiply
    124,550.04x = 171,882.84 × 70,842.78
  4. Step 4: Simplify right side
    124,550.04x = 12,176,658,219.90
  5. Step 5: Solve for x
    x = 12,176,658,219.90/124,550.04
  6. Step 6: Final answer
    x = 97,765.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.