Home / 56,488.24-84,776.10-30,215.08

Finding the Fourth Proportional to 56,488.24, 84,776.10 and 30,215.08

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Solution

The fourth proportional to 56,488.24, 84,776.10 and 30,215.08 is: 45,346.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,488.24 : 84,776.10 = 30,215.08 : x
  2. Step 2: Convert to fraction form
    56,488.24/84,776.10 = 30,215.08/x
  3. Step 3: Cross multiply
    56,488.24x = 84,776.10 × 30,215.08
  4. Step 4: Simplify right side
    56,488.24x = 2,561,516,643.59
  5. Step 5: Solve for x
    x = 2,561,516,643.59/56,488.24
  6. Step 6: Final answer
    x = 45,346.02

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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.