Home / 122,532.53-169,075.02-76,586.75

Finding the Fourth Proportional to 122,532.53, 169,075.02 and 76,586.75

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Solution

The fourth proportional to 122,532.53, 169,075.02 and 76,586.75 is: 105,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,532.53 : 169,075.02 = 76,586.75 : x
  2. Step 2: Convert to fraction form
    122,532.53/169,075.02 = 76,586.75/x
  3. Step 3: Cross multiply
    122,532.53x = 169,075.02 × 76,586.75
  4. Step 4: Simplify right side
    122,532.53x = 12,948,906,287.99
  5. Step 5: Solve for x
    x = 12,948,906,287.99/122,532.53
  6. Step 6: Final answer
    x = 105,677.29

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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.