Home / 74,762.20-103,174.14-42,937.48

Finding the Fourth Proportional to 74,762.20, 103,174.14 and 42,937.48

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Solution

The fourth proportional to 74,762.20, 103,174.14 and 42,937.48 is: 59,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,762.20 : 103,174.14 = 42,937.48 : x
  2. Step 2: Convert to fraction form
    74,762.20/103,174.14 = 42,937.48/x
  3. Step 3: Cross multiply
    74,762.20x = 103,174.14 × 42,937.48
  4. Step 4: Simplify right side
    74,762.20x = 4,430,037,572.77
  5. Step 5: Solve for x
    x = 4,430,037,572.77/74,762.20
  6. Step 6: Final answer
    x = 59,255.05

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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.