Home / 74,658.48-103,025.75-40,666.43

Finding the Fourth Proportional to 74,658.48, 103,025.75 and 40,666.43

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Solution

The fourth proportional to 74,658.48, 103,025.75 and 40,666.43 is: 56,118.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,658.48 : 103,025.75 = 40,666.43 : x
  2. Step 2: Convert to fraction form
    74,658.48/103,025.75 = 40,666.43/x
  3. Step 3: Cross multiply
    74,658.48x = 103,025.75 × 40,666.43
  4. Step 4: Simplify right side
    74,658.48x = 4,189,688,732.11
  5. Step 5: Solve for x
    x = 4,189,688,732.11/74,658.48
  6. Step 6: Final answer
    x = 56,118.06

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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.