Home / 62,679.36-86,501.34-41,421.72

Finding the Fourth Proportional to 62,679.36, 86,501.34 and 41,421.72

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Solution

The fourth proportional to 62,679.36, 86,501.34 and 41,421.72 is: 57,164.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,679.36 : 86,501.34 = 41,421.72 : x
  2. Step 2: Convert to fraction form
    62,679.36/86,501.34 = 41,421.72/x
  3. Step 3: Cross multiply
    62,679.36x = 86,501.34 × 41,421.72
  4. Step 4: Simplify right side
    62,679.36x = 3,583,034,285.10
  5. Step 5: Solve for x
    x = 3,583,034,285.10/62,679.36
  6. Step 6: Final answer
    x = 57,164.50

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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.