Home / 74,323.86-102,566.61-40,332.10

Finding the Fourth Proportional to 74,323.86, 102,566.61 and 40,332.10

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Solution

The fourth proportional to 74,323.86, 102,566.61 and 40,332.10 is: 55,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,323.86 : 102,566.61 = 40,332.10 : x
  2. Step 2: Convert to fraction form
    74,323.86/102,566.61 = 40,332.10/x
  3. Step 3: Cross multiply
    74,323.86x = 102,566.61 × 40,332.10
  4. Step 4: Simplify right side
    74,323.86x = 4,136,726,771.18
  5. Step 5: Solve for x
    x = 4,136,726,771.18/74,323.86
  6. Step 6: Final answer
    x = 55,658.13

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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.