Home / 63,427.12-87,547.44-38,278.24

Finding the Fourth Proportional to 63,427.12, 87,547.44 and 38,278.24

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Solution

The fourth proportional to 63,427.12, 87,547.44 and 38,278.24 is: 52,834.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,427.12 : 87,547.44 = 38,278.24 : x
  2. Step 2: Convert to fraction form
    63,427.12/87,547.44 = 38,278.24/x
  3. Step 3: Cross multiply
    63,427.12x = 87,547.44 × 38,278.24
  4. Step 4: Simplify right side
    63,427.12x = 3,351,161,919.71
  5. Step 5: Solve for x
    x = 3,351,161,919.71/63,427.12
  6. Step 6: Final answer
    x = 52,834.84

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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.