Home / 70,664.16-97,511.95-40,449.72

Finding the Fourth Proportional to 70,664.16, 97,511.95 and 40,449.72

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Solution

The fourth proportional to 70,664.16, 97,511.95 and 40,449.72 is: 55,817.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,664.16 : 97,511.95 = 40,449.72 : x
  2. Step 2: Convert to fraction form
    70,664.16/97,511.95 = 40,449.72/x
  3. Step 3: Cross multiply
    70,664.16x = 97,511.95 × 40,449.72
  4. Step 4: Simplify right side
    70,664.16x = 3,944,331,074.15
  5. Step 5: Solve for x
    x = 3,944,331,074.15/70,664.16
  6. Step 6: Final answer
    x = 55,817.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.