Home / 86,966.01-120,009.69-49,240.26

Finding the Fourth Proportional to 86,966.01, 120,009.69 and 49,240.26

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Solution

The fourth proportional to 86,966.01, 120,009.69 and 49,240.26 is: 67,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,966.01 : 120,009.69 = 49,240.26 : x
  2. Step 2: Convert to fraction form
    86,966.01/120,009.69 = 49,240.26/x
  3. Step 3: Cross multiply
    86,966.01x = 120,009.69 × 49,240.26
  4. Step 4: Simplify right side
    86,966.01x = 5,909,308,338.12
  5. Step 5: Solve for x
    x = 5,909,308,338.12/86,966.01
  6. Step 6: Final answer
    x = 67,949.63

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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.