Home / 121,677.03-167,912.51-67,962.83

Finding the Fourth Proportional to 121,677.03, 167,912.51 and 67,962.83

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Solution

The fourth proportional to 121,677.03, 167,912.51 and 67,962.83 is: 93,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,677.03 : 167,912.51 = 67,962.83 : x
  2. Step 2: Convert to fraction form
    121,677.03/167,912.51 = 67,962.83/x
  3. Step 3: Cross multiply
    121,677.03x = 167,912.51 × 67,962.83
  4. Step 4: Simplify right side
    121,677.03x = 11,411,808,362.53
  5. Step 5: Solve for x
    x = 11,411,808,362.53/121,677.03
  6. Step 6: Final answer
    x = 93,787.70

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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.