Home / 103,387.42-155,085.08-32,316.60

Finding the Fourth Proportional to 103,387.42, 155,085.08 and 32,316.60

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Solution

The fourth proportional to 103,387.42, 155,085.08 and 32,316.60 is: 48,476.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,387.42 : 155,085.08 = 32,316.60 : x
  2. Step 2: Convert to fraction form
    103,387.42/155,085.08 = 32,316.60/x
  3. Step 3: Cross multiply
    103,387.42x = 155,085.08 × 32,316.60
  4. Step 4: Simplify right side
    103,387.42x = 5,011,822,496.33
  5. Step 5: Solve for x
    x = 5,011,822,496.33/103,387.42
  6. Step 6: Final answer
    x = 48,476.13

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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.