Home / 112,875.62-169,299.59-65,516.51

Finding the Fourth Proportional to 112,875.62, 169,299.59 and 65,516.51

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Solution

The fourth proportional to 112,875.62, 169,299.59 and 65,516.51 is: 98,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,875.62 : 169,299.59 = 65,516.51 : x
  2. Step 2: Convert to fraction form
    112,875.62/169,299.59 = 65,516.51/x
  3. Step 3: Cross multiply
    112,875.62x = 169,299.59 × 65,516.51
  4. Step 4: Simplify right side
    112,875.62x = 11,091,918,376.90
  5. Step 5: Solve for x
    x = 11,091,918,376.90/112,875.62
  6. Step 6: Final answer
    x = 98,266.74

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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.