Home / 71,116.48-98,135.04-40,900.24

Finding the Fourth Proportional to 71,116.48, 98,135.04 and 40,900.24

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Solution

The fourth proportional to 71,116.48, 98,135.04 and 40,900.24 is: 56,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,116.48 : 98,135.04 = 40,900.24 : x
  2. Step 2: Convert to fraction form
    71,116.48/98,135.04 = 40,900.24/x
  3. Step 3: Cross multiply
    71,116.48x = 98,135.04 × 40,900.24
  4. Step 4: Simplify right side
    71,116.48x = 4,013,746,688.41
  5. Step 5: Solve for x
    x = 4,013,746,688.41/71,116.48
  6. Step 6: Final answer
    x = 56,439.05

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1.5x scale

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.