Home / 52,129.98-78,189.57-14,689.08

Finding the Fourth Proportional to 52,129.98, 78,189.57 and 14,689.08

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Solution

The fourth proportional to 52,129.98, 78,189.57 and 14,689.08 is: 22,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,129.98 : 78,189.57 = 14,689.08 : x
  2. Step 2: Convert to fraction form
    52,129.98/78,189.57 = 14,689.08/x
  3. Step 3: Cross multiply
    52,129.98x = 78,189.57 × 14,689.08
  4. Step 4: Simplify right side
    52,129.98x = 1,148,532,848.90
  5. Step 5: Solve for x
    x = 1,148,532,848.90/52,129.98
  6. Step 6: Final answer
    x = 22,032.10

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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.