Home / 72,056.10-108,083.98-40,055.52

Finding the Fourth Proportional to 72,056.10, 108,083.98 and 40,055.52

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Solution

The fourth proportional to 72,056.10, 108,083.98 and 40,055.52 is: 60,083.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,056.10 : 108,083.98 = 40,055.52 : x
  2. Step 2: Convert to fraction form
    72,056.10/108,083.98 = 40,055.52/x
  3. Step 3: Cross multiply
    72,056.10x = 108,083.98 × 40,055.52
  4. Step 4: Simplify right side
    72,056.10x = 4,329,360,022.57
  5. Step 5: Solve for x
    x = 4,329,360,022.57/72,056.10
  6. Step 6: Final answer
    x = 60,083.19

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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.