Home / 67,875.16-101,779.44-27,886.90

Finding the Fourth Proportional to 67,875.16, 101,779.44 and 27,886.90

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Solution

The fourth proportional to 67,875.16, 101,779.44 and 27,886.90 is: 41,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,875.16 : 101,779.44 = 27,886.90 : x
  2. Step 2: Convert to fraction form
    67,875.16/101,779.44 = 27,886.90/x
  3. Step 3: Cross multiply
    67,875.16x = 101,779.44 × 27,886.90
  4. Step 4: Simplify right side
    67,875.16x = 2,838,313,065.34
  5. Step 5: Solve for x
    x = 2,838,313,065.34/67,875.16
  6. Step 6: Final answer
    x = 41,816.67

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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.