Home / 74,934.12-103,407.86-40,941.86

Finding the Fourth Proportional to 74,934.12, 103,407.86 and 40,941.86

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Solution

The fourth proportional to 74,934.12, 103,407.86 and 40,941.86 is: 56,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,934.12 : 103,407.86 = 40,941.86 : x
  2. Step 2: Convert to fraction form
    74,934.12/103,407.86 = 40,941.86/x
  3. Step 3: Cross multiply
    74,934.12x = 103,407.86 × 40,941.86
  4. Step 4: Simplify right side
    74,934.12x = 4,233,710,127.02
  5. Step 5: Solve for x
    x = 4,233,710,127.02/74,934.12
  6. Step 6: Final answer
    x = 56,499.10

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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.