Home / 75,678.81-113,517.90-23,088.12

Finding the Fourth Proportional to 75,678.81, 113,517.90 and 23,088.12

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Solution

The fourth proportional to 75,678.81, 113,517.90 and 23,088.12 is: 34,632.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,678.81 : 113,517.90 = 23,088.12 : x
  2. Step 2: Convert to fraction form
    75,678.81/113,517.90 = 23,088.12/x
  3. Step 3: Cross multiply
    75,678.81x = 113,517.90 × 23,088.12
  4. Step 4: Simplify right side
    75,678.81x = 2,620,914,897.35
  5. Step 5: Solve for x
    x = 2,620,914,897.35/75,678.81
  6. Step 6: Final answer
    x = 34,632.08

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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.