Home / 121,864.02-168,165.37-67,412.94

Finding the Fourth Proportional to 121,864.02, 168,165.37 and 67,412.94

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Solution

The fourth proportional to 121,864.02, 168,165.37 and 67,412.94 is: 93,026.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,864.02 : 168,165.37 = 67,412.94 : x
  2. Step 2: Convert to fraction form
    121,864.02/168,165.37 = 67,412.94/x
  3. Step 3: Cross multiply
    121,864.02x = 168,165.37 × 67,412.94
  4. Step 4: Simplify right side
    121,864.02x = 11,336,521,997.89
  5. Step 5: Solve for x
    x = 11,336,521,997.89/121,864.02
  6. Step 6: Final answer
    x = 93,026.00

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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.