Home / 105,329.80-158,104.02-61,043.08

Finding the Fourth Proportional to 105,329.80, 158,104.02 and 61,043.08

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Solution

The fourth proportional to 105,329.80, 158,104.02 and 61,043.08 is: 91,627.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,329.80 : 158,104.02 = 61,043.08 : x
  2. Step 2: Convert to fraction form
    105,329.80/158,104.02 = 61,043.08/x
  3. Step 3: Cross multiply
    105,329.80x = 158,104.02 × 61,043.08
  4. Step 4: Simplify right side
    105,329.80x = 9,651,156,341.18
  5. Step 5: Solve for x
    x = 9,651,156,341.18/105,329.80
  6. Step 6: Final answer
    x = 91,627.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.