Home / 70,787.41-97,664.64-40,155.46

Finding the Fourth Proportional to 70,787.41, 97,664.64 and 40,155.46

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Solution

The fourth proportional to 70,787.41, 97,664.64 and 40,155.46 is: 55,402.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,787.41 : 97,664.64 = 40,155.46 : x
  2. Step 2: Convert to fraction form
    70,787.41/97,664.64 = 40,155.46/x
  3. Step 3: Cross multiply
    70,787.41x = 97,664.64 × 40,155.46
  4. Step 4: Simplify right side
    70,787.41x = 3,921,768,544.93
  5. Step 5: Solve for x
    x = 3,921,768,544.93/70,787.41
  6. Step 6: Final answer
    x = 55,402.06

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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.