Home / 56,644.95-78,138.14-33,977.91

Finding the Fourth Proportional to 56,644.95, 78,138.14 and 33,977.91

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Solution

The fourth proportional to 56,644.95, 78,138.14 and 33,977.91 is: 46,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,644.95 : 78,138.14 = 33,977.91 : x
  2. Step 2: Convert to fraction form
    56,644.95/78,138.14 = 33,977.91/x
  3. Step 3: Cross multiply
    56,644.95x = 78,138.14 × 33,977.91
  4. Step 4: Simplify right side
    56,644.95x = 2,654,970,382.74
  5. Step 5: Solve for x
    x = 2,654,970,382.74/56,644.95
  6. Step 6: Final answer
    x = 46,870.39

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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.