Home / 75,002.96-103,589.16-51,088.16

Finding the Fourth Proportional to 75,002.96, 103,589.16 and 51,088.16

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Solution

The fourth proportional to 75,002.96, 103,589.16 and 51,088.16 is: 70,559.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,002.96 : 103,589.16 = 51,088.16 : x
  2. Step 2: Convert to fraction form
    75,002.96/103,589.16 = 51,088.16/x
  3. Step 3: Cross multiply
    75,002.96x = 103,589.16 × 51,088.16
  4. Step 4: Simplify right side
    75,002.96x = 5,292,179,580.35
  5. Step 5: Solve for x
    x = 5,292,179,580.35/75,002.96
  6. Step 6: Final answer
    x = 70,559.61

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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.