Home / 74,293.74-102,525.21-42,480.18

Finding the Fourth Proportional to 74,293.74, 102,525.21 and 42,480.18

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Solution

The fourth proportional to 74,293.74, 102,525.21 and 42,480.18 is: 58,622.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,293.74 : 102,525.21 = 42,480.18 : x
  2. Step 2: Convert to fraction form
    74,293.74/102,525.21 = 42,480.18/x
  3. Step 3: Cross multiply
    74,293.74x = 102,525.21 × 42,480.18
  4. Step 4: Simplify right side
    74,293.74x = 4,355,289,375.34
  5. Step 5: Solve for x
    x = 4,355,289,375.34/74,293.74
  6. Step 6: Final answer
    x = 58,622.56

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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.