Home / 74,931.96-103,403.04-40,941.62

Finding the Fourth Proportional to 74,931.96, 103,403.04 and 40,941.62

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Solution

The fourth proportional to 74,931.96, 103,403.04 and 40,941.62 is: 56,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,931.96 : 103,403.04 = 40,941.62 : x
  2. Step 2: Convert to fraction form
    74,931.96/103,403.04 = 40,941.62/x
  3. Step 3: Cross multiply
    74,931.96x = 103,403.04 × 40,941.62
  4. Step 4: Simplify right side
    74,931.96x = 4,233,487,970.52
  5. Step 5: Solve for x
    x = 4,233,487,970.52/74,931.96
  6. Step 6: Final answer
    x = 56,497.76

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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.