Home / 91,324.98-126,108.63-57,392.26

Finding the Fourth Proportional to 91,324.98, 126,108.63 and 57,392.26

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Solution

The fourth proportional to 91,324.98, 126,108.63 and 57,392.26 is: 79,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,324.98 : 126,108.63 = 57,392.26 : x
  2. Step 2: Convert to fraction form
    91,324.98/126,108.63 = 57,392.26/x
  3. Step 3: Cross multiply
    91,324.98x = 126,108.63 × 57,392.26
  4. Step 4: Simplify right side
    91,324.98x = 7,237,658,965.93
  5. Step 5: Solve for x
    x = 7,237,658,965.93/91,324.98
  6. Step 6: Final answer
    x = 79,251.69

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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.