Home / 67,722.10-93,462.33-39,430.42

Finding the Fourth Proportional to 67,722.10, 93,462.33 and 39,430.42

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Solution

The fourth proportional to 67,722.10, 93,462.33 and 39,430.42 is: 54,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,722.10 : 93,462.33 = 39,430.42 : x
  2. Step 2: Convert to fraction form
    67,722.10/93,462.33 = 39,430.42/x
  3. Step 3: Cross multiply
    67,722.10x = 93,462.33 × 39,430.42
  4. Step 4: Simplify right side
    67,722.10x = 3,685,258,926.08
  5. Step 5: Solve for x
    x = 3,685,258,926.08/67,722.10
  6. Step 6: Final answer
    x = 54,417.38

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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.