Home / 75,686.09-113,540.13-23,088.74

Finding the Fourth Proportional to 75,686.09, 113,540.13 and 23,088.74

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Solution

The fourth proportional to 75,686.09, 113,540.13 and 23,088.74 is: 34,636.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,686.09 : 113,540.13 = 23,088.74 : x
  2. Step 2: Convert to fraction form
    75,686.09/113,540.13 = 23,088.74/x
  3. Step 3: Cross multiply
    75,686.09x = 113,540.13 × 23,088.74
  4. Step 4: Simplify right side
    75,686.09x = 2,621,497,973.44
  5. Step 5: Solve for x
    x = 2,621,497,973.44/75,686.09
  6. Step 6: Final answer
    x = 34,636.46

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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.