Home / 112,533.10-168,799.65-70,542.70

Finding the Fourth Proportional to 112,533.10, 168,799.65 and 70,542.70

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Solution

The fourth proportional to 112,533.10, 168,799.65 and 70,542.70 is: 105,814.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,533.10 : 168,799.65 = 70,542.70 : x
  2. Step 2: Convert to fraction form
    112,533.10/168,799.65 = 70,542.70/x
  3. Step 3: Cross multiply
    112,533.10x = 168,799.65 × 70,542.70
  4. Step 4: Simplify right side
    112,533.10x = 11,907,583,070.06
  5. Step 5: Solve for x
    x = 11,907,583,070.06/112,533.10
  6. Step 6: Final answer
    x = 105,814.05

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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.