Home / 70,787.30-97,685.87-40,166.24

Finding the Fourth Proportional to 70,787.30, 97,685.87 and 40,166.24

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Solution

The fourth proportional to 70,787.30, 97,685.87 and 40,166.24 is: 55,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,787.30 : 97,685.87 = 40,166.24 : x
  2. Step 2: Convert to fraction form
    70,787.30/97,685.87 = 40,166.24/x
  3. Step 3: Cross multiply
    70,787.30x = 97,685.87 × 40,166.24
  4. Step 4: Simplify right side
    70,787.30x = 3,923,673,409.77
  5. Step 5: Solve for x
    x = 3,923,673,409.77/70,787.30
  6. Step 6: Final answer
    x = 55,429.06

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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.