Home / 77,071.88-115,599.54-52,271.12

Finding the Fourth Proportional to 77,071.88, 115,599.54 and 52,271.12

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Solution

The fourth proportional to 77,071.88, 115,599.54 and 52,271.12 is: 78,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,071.88 : 115,599.54 = 52,271.12 : x
  2. Step 2: Convert to fraction form
    77,071.88/115,599.54 = 52,271.12/x
  3. Step 3: Cross multiply
    77,071.88x = 115,599.54 × 52,271.12
  4. Step 4: Simplify right side
    77,071.88x = 6,042,517,427.28
  5. Step 5: Solve for x
    x = 6,042,517,427.28/77,071.88
  6. Step 6: Final answer
    x = 78,401.06

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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.