Home / 61,154.37-91,793.74-42,180.32

Finding the Fourth Proportional to 61,154.37, 91,793.74 and 42,180.32

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Solution

The fourth proportional to 61,154.37, 91,793.74 and 42,180.32 is: 63,313.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,154.37 : 91,793.74 = 42,180.32 : x
  2. Step 2: Convert to fraction form
    61,154.37/91,793.74 = 42,180.32/x
  3. Step 3: Cross multiply
    61,154.37x = 91,793.74 × 42,180.32
  4. Step 4: Simplify right side
    61,154.37x = 3,871,889,450.10
  5. Step 5: Solve for x
    x = 3,871,889,450.10/61,154.37
  6. Step 6: Final answer
    x = 63,313.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.