Home / 74,920.32-103,388.76-40,927.93

Finding the Fourth Proportional to 74,920.32, 103,388.76 and 40,927.93

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Solution

The fourth proportional to 74,920.32, 103,388.76 and 40,927.93 is: 56,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,920.32 : 103,388.76 = 40,927.93 : x
  2. Step 2: Convert to fraction form
    74,920.32/103,388.76 = 40,927.93/x
  3. Step 3: Cross multiply
    74,920.32x = 103,388.76 × 40,927.93
  4. Step 4: Simplify right side
    74,920.32x = 4,231,487,932.07
  5. Step 5: Solve for x
    x = 4,231,487,932.07/74,920.32
  6. Step 6: Final answer
    x = 56,479.84

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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.