Home / 121,710.04-167,959.84-67,995.07

Finding the Fourth Proportional to 121,710.04, 167,959.84 and 67,995.07

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Solution

The fourth proportional to 121,710.04, 167,959.84 and 67,995.07 is: 93,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,710.04 : 167,959.84 = 67,995.07 : x
  2. Step 2: Convert to fraction form
    121,710.04/167,959.84 = 67,995.07/x
  3. Step 3: Cross multiply
    121,710.04x = 167,959.84 × 67,995.07
  4. Step 4: Simplify right side
    121,710.04x = 11,420,441,077.99
  5. Step 5: Solve for x
    x = 11,420,441,077.99/121,710.04
  6. Step 6: Final answer
    x = 93,833.19

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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.