Home / 59,111.08-88,679.68-16,991.28

Finding the Fourth Proportional to 59,111.08, 88,679.68 and 16,991.28

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Solution

The fourth proportional to 59,111.08, 88,679.68 and 16,991.28 is: 25,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,111.08 : 88,679.68 = 16,991.28 : x
  2. Step 2: Convert to fraction form
    59,111.08/88,679.68 = 16,991.28/x
  3. Step 3: Cross multiply
    59,111.08x = 88,679.68 × 16,991.28
  4. Step 4: Simplify right side
    59,111.08x = 1,506,781,230.71
  5. Step 5: Solve for x
    x = 1,506,781,230.71/59,111.08
  6. Step 6: Final answer
    x = 25,490.67

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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.