Home / 85,288.02-127,895.85-26,110.50

Finding the Fourth Proportional to 85,288.02, 127,895.85 and 26,110.50

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Solution

The fourth proportional to 85,288.02, 127,895.85 and 26,110.50 is: 39,154.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,288.02 : 127,895.85 = 26,110.50 : x
  2. Step 2: Convert to fraction form
    85,288.02/127,895.85 = 26,110.50/x
  3. Step 3: Cross multiply
    85,288.02x = 127,895.85 × 26,110.50
  4. Step 4: Simplify right side
    85,288.02x = 3,339,424,591.43
  5. Step 5: Solve for x
    x = 3,339,424,591.43/85,288.02
  6. Step 6: Final answer
    x = 39,154.67

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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.