Home / 47,574.55-65,590.63-40,931.53

Finding the Fourth Proportional to 47,574.55, 65,590.63 and 40,931.53

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Solution

The fourth proportional to 47,574.55, 65,590.63 and 40,931.53 is: 56,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,574.55 : 65,590.63 = 40,931.53 : x
  2. Step 2: Convert to fraction form
    47,574.55/65,590.63 = 40,931.53/x
  3. Step 3: Cross multiply
    47,574.55x = 65,590.63 × 40,931.53
  4. Step 4: Simplify right side
    47,574.55x = 2,684,724,839.56
  5. Step 5: Solve for x
    x = 2,684,724,839.56/47,574.55
  6. Step 6: Final answer
    x = 56,431.95

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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.