Home / 56,272.73-78,011.51-53,276.54

Finding the Fourth Proportional to 56,272.73, 78,011.51 and 53,276.54

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Solution

The fourth proportional to 56,272.73, 78,011.51 and 53,276.54 is: 73,857.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,272.73 : 78,011.51 = 53,276.54 : x
  2. Step 2: Convert to fraction form
    56,272.73/78,011.51 = 53,276.54/x
  3. Step 3: Cross multiply
    56,272.73x = 78,011.51 × 53,276.54
  4. Step 4: Simplify right side
    56,272.73x = 4,156,182,676.54
  5. Step 5: Solve for x
    x = 4,156,182,676.54/56,272.73
  6. Step 6: Final answer
    x = 73,857.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.