Home / 55,341.20-83,000.72-15,889.08

Finding the Fourth Proportional to 55,341.20, 83,000.72 and 15,889.08

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Solution

The fourth proportional to 55,341.20, 83,000.72 and 15,889.08 is: 23,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,341.20 : 83,000.72 = 15,889.08 : x
  2. Step 2: Convert to fraction form
    55,341.20/83,000.72 = 15,889.08/x
  3. Step 3: Cross multiply
    55,341.20x = 83,000.72 × 15,889.08
  4. Step 4: Simplify right side
    55,341.20x = 1,318,805,080.14
  5. Step 5: Solve for x
    x = 1,318,805,080.14/55,341.20
  6. Step 6: Final answer
    x = 23,830.44

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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.