Home / 112,071.36-168,132-48,901.68

Finding the Fourth Proportional to 112,071.36, 168,132 and 48,901.68

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Solution

The fourth proportional to 112,071.36, 168,132 and 48,901.68 is: 73,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,071.36 : 168,132 = 48,901.68 : x
  2. Step 2: Convert to fraction form
    112,071.36/168,132 = 48,901.68/x
  3. Step 3: Cross multiply
    112,071.36x = 168,132 × 48,901.68
  4. Step 4: Simplify right side
    112,071.36x = 8,221,937,261.76
  5. Step 5: Solve for x
    x = 8,221,937,261.76/112,071.36
  6. Step 6: Final answer
    x = 73,363.41

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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.