Home / 56,998.41-78,617.01-40,006.45

Finding the Fourth Proportional to 56,998.41, 78,617.01 and 40,006.45

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Solution

The fourth proportional to 56,998.41, 78,617.01 and 40,006.45 is: 55,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,998.41 : 78,617.01 = 40,006.45 : x
  2. Step 2: Convert to fraction form
    56,998.41/78,617.01 = 40,006.45/x
  3. Step 3: Cross multiply
    56,998.41x = 78,617.01 × 40,006.45
  4. Step 4: Simplify right side
    56,998.41x = 3,145,186,886.60
  5. Step 5: Solve for x
    x = 3,145,186,886.60/56,998.41
  6. Step 6: Final answer
    x = 55,180.26

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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.