Home / 51,490.14-71,019.69-47,254.87

Finding the Fourth Proportional to 51,490.14, 71,019.69 and 47,254.87

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Solution

The fourth proportional to 51,490.14, 71,019.69 and 47,254.87 is: 65,178.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,490.14 : 71,019.69 = 47,254.87 : x
  2. Step 2: Convert to fraction form
    51,490.14/71,019.69 = 47,254.87/x
  3. Step 3: Cross multiply
    51,490.14x = 71,019.69 × 47,254.87
  4. Step 4: Simplify right side
    51,490.14x = 3,356,026,218.39
  5. Step 5: Solve for x
    x = 3,356,026,218.39/51,490.14
  6. Step 6: Final answer
    x = 65,178.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.