Home / 94,413-130,289.97-51,971.52

Finding the Fourth Proportional to 94,413, 130,289.97 and 51,971.52

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Solution

The fourth proportional to 94,413, 130,289.97 and 51,971.52 is: 71,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,413 : 130,289.97 = 51,971.52 : x
  2. Step 2: Convert to fraction form
    94,413/130,289.97 = 51,971.52/x
  3. Step 3: Cross multiply
    94,413x = 130,289.97 × 51,971.52
  4. Step 4: Simplify right side
    94,413x = 6,771,367,781.65
  5. Step 5: Solve for x
    x = 6,771,367,781.65/94,413
  6. Step 6: Final answer
    x = 71,720.71

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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.