Home / 74,945.16-103,423.02-40,952.79

Finding the Fourth Proportional to 74,945.16, 103,423.02 and 40,952.79

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Solution

The fourth proportional to 74,945.16, 103,423.02 and 40,952.79 is: 56,514.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,945.16 : 103,423.02 = 40,952.79 : x
  2. Step 2: Convert to fraction form
    74,945.16/103,423.02 = 40,952.79/x
  3. Step 3: Cross multiply
    74,945.16x = 103,423.02 × 40,952.79
  4. Step 4: Simplify right side
    74,945.16x = 4,235,461,219.23
  5. Step 5: Solve for x
    x = 4,235,461,219.23/74,945.16
  6. Step 6: Final answer
    x = 56,514.14

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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.