Home / 75,061.06-112,583.22-18,901.15

Finding the Fourth Proportional to 75,061.06, 112,583.22 and 18,901.15

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Solution

The fourth proportional to 75,061.06, 112,583.22 and 18,901.15 is: 28,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,061.06 : 112,583.22 = 18,901.15 : x
  2. Step 2: Convert to fraction form
    75,061.06/112,583.22 = 18,901.15/x
  3. Step 3: Cross multiply
    75,061.06x = 112,583.22 × 18,901.15
  4. Step 4: Simplify right side
    75,061.06x = 2,127,952,328.70
  5. Step 5: Solve for x
    x = 2,127,952,328.70/75,061.06
  6. Step 6: Final answer
    x = 28,349.62

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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.