Home / 52,118.17-78,177.29-12,675.02

Finding the Fourth Proportional to 52,118.17, 78,177.29 and 12,675.02

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Solution

The fourth proportional to 52,118.17, 78,177.29 and 12,675.02 is: 19,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,118.17 : 78,177.29 = 12,675.02 : x
  2. Step 2: Convert to fraction form
    52,118.17/78,177.29 = 12,675.02/x
  3. Step 3: Cross multiply
    52,118.17x = 78,177.29 × 12,675.02
  4. Step 4: Simplify right side
    52,118.17x = 990,898,260.03
  5. Step 5: Solve for x
    x = 990,898,260.03/52,118.17
  6. Step 6: Final answer
    x = 19,012.53

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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.