Home / 124,685.36-172,059.48-68,086.16

Finding the Fourth Proportional to 124,685.36, 172,059.48 and 68,086.16

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Solution

The fourth proportional to 124,685.36, 172,059.48 and 68,086.16 is: 93,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,685.36 : 172,059.48 = 68,086.16 : x
  2. Step 2: Convert to fraction form
    124,685.36/172,059.48 = 68,086.16/x
  3. Step 3: Cross multiply
    124,685.36x = 172,059.48 × 68,086.16
  4. Step 4: Simplify right side
    124,685.36x = 11,714,869,284.80
  5. Step 5: Solve for x
    x = 11,714,869,284.80/124,685.36
  6. Step 6: Final answer
    x = 93,955.45

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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.