Home / 112,356.36-168,559.65-42,236.28

Finding the Fourth Proportional to 112,356.36, 168,559.65 and 42,236.28

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Solution

The fourth proportional to 112,356.36, 168,559.65 and 42,236.28 is: 63,363.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,356.36 : 168,559.65 = 42,236.28 : x
  2. Step 2: Convert to fraction form
    112,356.36/168,559.65 = 42,236.28/x
  3. Step 3: Cross multiply
    112,356.36x = 168,559.65 × 42,236.28
  4. Step 4: Simplify right side
    112,356.36x = 7,119,332,574.10
  5. Step 5: Solve for x
    x = 7,119,332,574.10/112,356.36
  6. Step 6: Final answer
    x = 63,363.86

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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.