Home / 62,279.36-93,421.92-17,905.12

Finding the Fourth Proportional to 62,279.36, 93,421.92 and 17,905.12

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Solution

The fourth proportional to 62,279.36, 93,421.92 and 17,905.12 is: 26,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,279.36 : 93,421.92 = 17,905.12 : x
  2. Step 2: Convert to fraction form
    62,279.36/93,421.92 = 17,905.12/x
  3. Step 3: Cross multiply
    62,279.36x = 93,421.92 × 17,905.12
  4. Step 4: Simplify right side
    62,279.36x = 1,672,730,688.23
  5. Step 5: Solve for x
    x = 1,672,730,688.23/62,279.36
  6. Step 6: Final answer
    x = 26,858.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.