Home / 56,666.78-78,196.80-32,791.76

Finding the Fourth Proportional to 56,666.78, 78,196.80 and 32,791.76

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Solution

The fourth proportional to 56,666.78, 78,196.80 and 32,791.76 is: 45,250.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,666.78 : 78,196.80 = 32,791.76 : x
  2. Step 2: Convert to fraction form
    56,666.78/78,196.80 = 32,791.76/x
  3. Step 3: Cross multiply
    56,666.78x = 78,196.80 × 32,791.76
  4. Step 4: Simplify right side
    56,666.78x = 2,564,210,698.37
  5. Step 5: Solve for x
    x = 2,564,210,698.37/56,666.78
  6. Step 6: Final answer
    x = 45,250.69

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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.