Home / 77,410.10-116,114.06-21,250.15

Finding the Fourth Proportional to 77,410.10, 116,114.06 and 21,250.15

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Solution

The fourth proportional to 77,410.10, 116,114.06 and 21,250.15 is: 31,874.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,410.10 : 116,114.06 = 21,250.15 : x
  2. Step 2: Convert to fraction form
    77,410.10/116,114.06 = 21,250.15/x
  3. Step 3: Cross multiply
    77,410.10x = 116,114.06 × 21,250.15
  4. Step 4: Simplify right side
    77,410.10x = 2,467,440,954.95
  5. Step 5: Solve for x
    x = 2,467,440,954.95/77,410.10
  6. Step 6: Final answer
    x = 31,874.92

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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.