Home / 74,724.05-103,117.53-40,731.24

Finding the Fourth Proportional to 74,724.05, 103,117.53 and 40,731.24

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Solution

The fourth proportional to 74,724.05, 103,117.53 and 40,731.24 is: 56,208.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,724.05 : 103,117.53 = 40,731.24 : x
  2. Step 2: Convert to fraction form
    74,724.05/103,117.53 = 40,731.24/x
  3. Step 3: Cross multiply
    74,724.05x = 103,117.53 × 40,731.24
  4. Step 4: Simplify right side
    74,724.05x = 4,200,104,862.64
  5. Step 5: Solve for x
    x = 4,200,104,862.64/74,724.05
  6. Step 6: Final answer
    x = 56,208.21

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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.