Home / 74,038.25-111,073.78-40,741.18

Finding the Fourth Proportional to 74,038.25, 111,073.78 and 40,741.18

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Solution

The fourth proportional to 74,038.25, 111,073.78 and 40,741.18 is: 61,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,038.25 : 111,073.78 = 40,741.18 : x
  2. Step 2: Convert to fraction form
    74,038.25/111,073.78 = 40,741.18/x
  3. Step 3: Cross multiply
    74,038.25x = 111,073.78 × 40,741.18
  4. Step 4: Simplify right side
    74,038.25x = 4,525,276,637.50
  5. Step 5: Solve for x
    x = 4,525,276,637.50/74,038.25
  6. Step 6: Final answer
    x = 61,120.79

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1.5x scale

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.