Home / 73,954.32-102,056.96-40,420.32

Finding the Fourth Proportional to 73,954.32, 102,056.96 and 40,420.32

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Solution

The fourth proportional to 73,954.32, 102,056.96 and 40,420.32 is: 55,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,954.32 : 102,056.96 = 40,420.32 : x
  2. Step 2: Convert to fraction form
    73,954.32/102,056.96 = 40,420.32/x
  3. Step 3: Cross multiply
    73,954.32x = 102,056.96 × 40,420.32
  4. Step 4: Simplify right side
    73,954.32x = 4,125,174,779.33
  5. Step 5: Solve for x
    x = 4,125,174,779.33/73,954.32
  6. Step 6: Final answer
    x = 55,780.04

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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.