Home / 88,022.31-121,497.62-70,239.57

Finding the Fourth Proportional to 88,022.31, 121,497.62 and 70,239.57

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Solution

The fourth proportional to 88,022.31, 121,497.62 and 70,239.57 is: 96,952.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,022.31 : 121,497.62 = 70,239.57 : x
  2. Step 2: Convert to fraction form
    88,022.31/121,497.62 = 70,239.57/x
  3. Step 3: Cross multiply
    88,022.31x = 121,497.62 × 70,239.57
  4. Step 4: Simplify right side
    88,022.31x = 8,533,940,233.63
  5. Step 5: Solve for x
    x = 8,533,940,233.63/88,022.31
  6. Step 6: Final answer
    x = 96,952.01

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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.