Home / 88,001.69-121,442.75-47,715.33

Finding the Fourth Proportional to 88,001.69, 121,442.75 and 47,715.33

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Solution

The fourth proportional to 88,001.69, 121,442.75 and 47,715.33 is: 65,847.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,001.69 : 121,442.75 = 47,715.33 : x
  2. Step 2: Convert to fraction form
    88,001.69/121,442.75 = 47,715.33/x
  3. Step 3: Cross multiply
    88,001.69x = 121,442.75 × 47,715.33
  4. Step 4: Simplify right side
    88,001.69x = 5,794,680,892.36
  5. Step 5: Solve for x
    x = 5,794,680,892.36/88,001.69
  6. Step 6: Final answer
    x = 65,847.38

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1.5x scale

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.