Home / 124,461.94-171,752.90-67,872.10

Finding the Fourth Proportional to 124,461.94, 171,752.90 and 67,872.10

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Solution

The fourth proportional to 124,461.94, 171,752.90 and 67,872.10 is: 93,661.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,461.94 : 171,752.90 = 67,872.10 : x
  2. Step 2: Convert to fraction form
    124,461.94/171,752.90 = 67,872.10/x
  3. Step 3: Cross multiply
    124,461.94x = 171,752.90 × 67,872.10
  4. Step 4: Simplify right side
    124,461.94x = 11,657,230,004.09
  5. Step 5: Solve for x
    x = 11,657,230,004.09/124,461.94
  6. Step 6: Final answer
    x = 93,661.00

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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.