Home / 103,943.32-155,891.15-29,068.74

Finding the Fourth Proportional to 103,943.32, 155,891.15 and 29,068.74

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Solution

The fourth proportional to 103,943.32, 155,891.15 and 29,068.74 is: 43,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,943.32 : 155,891.15 = 29,068.74 : x
  2. Step 2: Convert to fraction form
    103,943.32/155,891.15 = 29,068.74/x
  3. Step 3: Cross multiply
    103,943.32x = 155,891.15 × 29,068.74
  4. Step 4: Simplify right side
    103,943.32x = 4,531,559,271.32
  5. Step 5: Solve for x
    x = 4,531,559,271.32/103,943.32
  6. Step 6: Final answer
    x = 43,596.45

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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.