Home / 55,625.16-83,437.78-13,505.32

Finding the Fourth Proportional to 55,625.16, 83,437.78 and 13,505.32

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Solution

The fourth proportional to 55,625.16, 83,437.78 and 13,505.32 is: 20,257.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.16 : 83,437.78 = 13,505.32 : x
  2. Step 2: Convert to fraction form
    55,625.16/83,437.78 = 13,505.32/x
  3. Step 3: Cross multiply
    55,625.16x = 83,437.78 × 13,505.32
  4. Step 4: Simplify right side
    55,625.16x = 1,126,853,918.99
  5. Step 5: Solve for x
    x = 1,126,853,918.99/55,625.16
  6. Step 6: Final answer
    x = 20,257.99

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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.