Home / 112,376.53-168,571.27-42,256.45

Finding the Fourth Proportional to 112,376.53, 168,571.27 and 42,256.45

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Solution

The fourth proportional to 112,376.53, 168,571.27 and 42,256.45 is: 63,387.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,376.53 : 168,571.27 = 42,256.45 : x
  2. Step 2: Convert to fraction form
    112,376.53/168,571.27 = 42,256.45/x
  3. Step 3: Cross multiply
    112,376.53x = 168,571.27 × 42,256.45
  4. Step 4: Simplify right side
    112,376.53x = 7,123,223,442.19
  5. Step 5: Solve for x
    x = 7,123,223,442.19/112,376.53
  6. Step 6: Final answer
    x = 63,387.11

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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.