Home / 56,412.36-78,205.41-53,416.26

Finding the Fourth Proportional to 56,412.36, 78,205.41 and 53,416.26

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Solution

The fourth proportional to 56,412.36, 78,205.41 and 53,416.26 is: 74,051.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,412.36 : 78,205.41 = 53,416.26 : x
  2. Step 2: Convert to fraction form
    56,412.36/78,205.41 = 53,416.26/x
  3. Step 3: Cross multiply
    56,412.36x = 78,205.41 × 53,416.26
  4. Step 4: Simplify right side
    56,412.36x = 4,177,440,513.97
  5. Step 5: Solve for x
    x = 4,177,440,513.97/56,412.36
  6. Step 6: Final answer
    x = 74,051.87

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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.