Home / 72,256.35-99,714.21-40,425.24

Finding the Fourth Proportional to 72,256.35, 99,714.21 and 40,425.24

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Solution

The fourth proportional to 72,256.35, 99,714.21 and 40,425.24 is: 55,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,256.35 : 99,714.21 = 40,425.24 : x
  2. Step 2: Convert to fraction form
    72,256.35/99,714.21 = 40,425.24/x
  3. Step 3: Cross multiply
    72,256.35x = 99,714.21 × 40,425.24
  4. Step 4: Simplify right side
    72,256.35x = 4,030,970,870.66
  5. Step 5: Solve for x
    x = 4,030,970,870.66/72,256.35
  6. Step 6: Final answer
    x = 55,787.08

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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.