Home / 56,460.78-84,705.39-39,853.26

Finding the Fourth Proportional to 56,460.78, 84,705.39 and 39,853.26

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Solution

The fourth proportional to 56,460.78, 84,705.39 and 39,853.26 is: 59,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,460.78 : 84,705.39 = 39,853.26 : x
  2. Step 2: Convert to fraction form
    56,460.78/84,705.39 = 39,853.26/x
  3. Step 3: Cross multiply
    56,460.78x = 84,705.39 × 39,853.26
  4. Step 4: Simplify right side
    56,460.78x = 3,375,785,931.07
  5. Step 5: Solve for x
    x = 3,375,785,931.07/56,460.78
  6. Step 6: Final answer
    x = 59,789.93

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1.5x scale

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.