Home / 56,837.36-78,435.53-32,639.91

Finding the Fourth Proportional to 56,837.36, 78,435.53 and 32,639.91

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Solution

The fourth proportional to 56,837.36, 78,435.53 and 32,639.91 is: 45,043.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,837.36 : 78,435.53 = 32,639.91 : x
  2. Step 2: Convert to fraction form
    56,837.36/78,435.53 = 32,639.91/x
  3. Step 3: Cross multiply
    56,837.36x = 78,435.53 × 32,639.91
  4. Step 4: Simplify right side
    56,837.36x = 2,560,128,476.80
  5. Step 5: Solve for x
    x = 2,560,128,476.80/56,837.36
  6. Step 6: Final answer
    x = 45,043.06

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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.