Home / 72,256.84-99,714.55-40,426.36

Finding the Fourth Proportional to 72,256.84, 99,714.55 and 40,426.36

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Solution

The fourth proportional to 72,256.84, 99,714.55 and 40,426.36 is: 55,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,256.84 : 99,714.55 = 40,426.36 : x
  2. Step 2: Convert to fraction form
    72,256.84/99,714.55 = 40,426.36/x
  3. Step 3: Cross multiply
    72,256.84x = 99,714.55 × 40,426.36
  4. Step 4: Simplify right side
    72,256.84x = 4,031,096,295.54
  5. Step 5: Solve for x
    x = 4,031,096,295.54/72,256.84
  6. Step 6: Final answer
    x = 55,788.44

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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.