Home / 56,358.45-77,775.54-30,864.35

Finding the Fourth Proportional to 56,358.45, 77,775.54 and 30,864.35

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Solution

The fourth proportional to 56,358.45, 77,775.54 and 30,864.35 is: 42,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,358.45 : 77,775.54 = 30,864.35 : x
  2. Step 2: Convert to fraction form
    56,358.45/77,775.54 = 30,864.35/x
  3. Step 3: Cross multiply
    56,358.45x = 77,775.54 × 30,864.35
  4. Step 4: Simplify right side
    56,358.45x = 2,400,491,488.00
  5. Step 5: Solve for x
    x = 2,400,491,488.00/56,358.45
  6. Step 6: Final answer
    x = 42,593.28

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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.