Home / 54,123.32-81,195.06-19,085.24

Finding the Fourth Proportional to 54,123.32, 81,195.06 and 19,085.24

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Solution

The fourth proportional to 54,123.32, 81,195.06 and 19,085.24 is: 28,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,123.32 : 81,195.06 = 19,085.24 : x
  2. Step 2: Convert to fraction form
    54,123.32/81,195.06 = 19,085.24/x
  3. Step 3: Cross multiply
    54,123.32x = 81,195.06 × 19,085.24
  4. Step 4: Simplify right side
    54,123.32x = 1,549,627,206.91
  5. Step 5: Solve for x
    x = 1,549,627,206.91/54,123.32
  6. Step 6: Final answer
    x = 28,631.41

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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.