Home / 42,473.53-63,571.64-31,225.91

Finding the Fourth Proportional to 42,473.53, 63,571.64 and 31,225.91

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Solution

The fourth proportional to 42,473.53, 63,571.64 and 31,225.91 is: 46,736.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,473.53 : 63,571.64 = 31,225.91 : x
  2. Step 2: Convert to fraction form
    42,473.53/63,571.64 = 31,225.91/x
  3. Step 3: Cross multiply
    42,473.53x = 63,571.64 × 31,225.91
  4. Step 4: Simplify right side
    42,473.53x = 1,985,082,309.19
  5. Step 5: Solve for x
    x = 1,985,082,309.19/42,473.53
  6. Step 6: Final answer
    x = 46,736.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.