Home / 77,094.02-115,648.80-20,935.04

Finding the Fourth Proportional to 77,094.02, 115,648.80 and 20,935.04

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Solution

The fourth proportional to 77,094.02, 115,648.80 and 20,935.04 is: 31,404.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,094.02 : 115,648.80 = 20,935.04 : x
  2. Step 2: Convert to fraction form
    77,094.02/115,648.80 = 20,935.04/x
  3. Step 3: Cross multiply
    77,094.02x = 115,648.80 × 20,935.04
  4. Step 4: Simplify right side
    77,094.02x = 2,421,112,253.95
  5. Step 5: Solve for x
    x = 2,421,112,253.95/77,094.02
  6. Step 6: Final answer
    x = 31,404.67

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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.