Home / 65,184.66-89,948.61-51,788.34

Finding the Fourth Proportional to 65,184.66, 89,948.61 and 51,788.34

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Solution

The fourth proportional to 65,184.66, 89,948.61 and 51,788.34 is: 71,462.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,184.66 : 89,948.61 = 51,788.34 : x
  2. Step 2: Convert to fraction form
    65,184.66/89,948.61 = 51,788.34/x
  3. Step 3: Cross multiply
    65,184.66x = 89,948.61 × 51,788.34
  4. Step 4: Simplify right side
    65,184.66x = 4,658,289,197.21
  5. Step 5: Solve for x
    x = 4,658,289,197.21/65,184.66
  6. Step 6: Final answer
    x = 71,462.97

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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.