Home / 122,813.02-169,468.23-69,116.50

Finding the Fourth Proportional to 122,813.02, 169,468.23 and 69,116.50

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Solution

The fourth proportional to 122,813.02, 169,468.23 and 69,116.50 is: 95,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,813.02 : 169,468.23 = 69,116.50 : x
  2. Step 2: Convert to fraction form
    122,813.02/169,468.23 = 69,116.50/x
  3. Step 3: Cross multiply
    122,813.02x = 169,468.23 × 69,116.50
  4. Step 4: Simplify right side
    122,813.02x = 11,713,050,918.80
  5. Step 5: Solve for x
    x = 11,713,050,918.80/122,813.02
  6. Step 6: Final answer
    x = 95,373.04

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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.