Home / 75,570.12-104,132.88-58,470.48

Finding the Fourth Proportional to 75,570.12, 104,132.88 and 58,470.48

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Solution

The fourth proportional to 75,570.12, 104,132.88 and 58,470.48 is: 80,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,570.12 : 104,132.88 = 58,470.48 : x
  2. Step 2: Convert to fraction form
    75,570.12/104,132.88 = 58,470.48/x
  3. Step 3: Cross multiply
    75,570.12x = 104,132.88 × 58,470.48
  4. Step 4: Simplify right side
    75,570.12x = 6,088,699,477.38
  5. Step 5: Solve for x
    x = 6,088,699,477.38/75,570.12
  6. Step 6: Final answer
    x = 80,570.20

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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.