Home / 91,249.48-125,920.74-57,276.22

Finding the Fourth Proportional to 91,249.48, 125,920.74 and 57,276.22

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Solution

The fourth proportional to 91,249.48, 125,920.74 and 57,276.22 is: 79,038.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,249.48 : 125,920.74 = 57,276.22 : x
  2. Step 2: Convert to fraction form
    91,249.48/125,920.74 = 57,276.22/x
  3. Step 3: Cross multiply
    91,249.48x = 125,920.74 × 57,276.22
  4. Step 4: Simplify right side
    91,249.48x = 7,212,264,006.80
  5. Step 5: Solve for x
    x = 7,212,264,006.80/91,249.48
  6. Step 6: Final answer
    x = 79,038.96

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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.