Home / 121,462.02-167,617.81-67,750.51

Finding the Fourth Proportional to 121,462.02, 167,617.81 and 67,750.51

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Solution

The fourth proportional to 121,462.02, 167,617.81 and 67,750.51 is: 93,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,462.02 : 167,617.81 = 67,750.51 : x
  2. Step 2: Convert to fraction form
    121,462.02/167,617.81 = 67,750.51/x
  3. Step 3: Cross multiply
    121,462.02x = 167,617.81 × 67,750.51
  4. Step 4: Simplify right side
    121,462.02x = 11,356,192,112.58
  5. Step 5: Solve for x
    x = 11,356,192,112.58/121,462.02
  6. Step 6: Final answer
    x = 93,495.83

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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.