Home / 112,070.05-154,656.73-63,672.06

Finding the Fourth Proportional to 112,070.05, 154,656.73 and 63,672.06

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Solution

The fourth proportional to 112,070.05, 154,656.73 and 63,672.06 is: 87,867.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,070.05 : 154,656.73 = 63,672.06 : x
  2. Step 2: Convert to fraction form
    112,070.05/154,656.73 = 63,672.06/x
  3. Step 3: Cross multiply
    112,070.05x = 154,656.73 × 63,672.06
  4. Step 4: Simplify right side
    112,070.05x = 9,847,312,591.96
  5. Step 5: Solve for x
    x = 9,847,312,591.96/112,070.05
  6. Step 6: Final answer
    x = 87,867.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.