Home / 67,030.06-100,545-17,110.15

Finding the Fourth Proportional to 67,030.06, 100,545 and 17,110.15

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Solution

The fourth proportional to 67,030.06, 100,545 and 17,110.15 is: 25,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,030.06 : 100,545 = 17,110.15 : x
  2. Step 2: Convert to fraction form
    67,030.06/100,545 = 17,110.15/x
  3. Step 3: Cross multiply
    67,030.06x = 100,545 × 17,110.15
  4. Step 4: Simplify right side
    67,030.06x = 1,720,340,031.75
  5. Step 5: Solve for x
    x = 1,720,340,031.75/67,030.06
  6. Step 6: Final answer
    x = 25,665.20

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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.