Home / 102,539.07-153,807.67-32,418.40

Finding the Fourth Proportional to 102,539.07, 153,807.67 and 32,418.40

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Solution

The fourth proportional to 102,539.07, 153,807.67 and 32,418.40 is: 48,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,539.07 : 153,807.67 = 32,418.40 : x
  2. Step 2: Convert to fraction form
    102,539.07/153,807.67 = 32,418.40/x
  3. Step 3: Cross multiply
    102,539.07x = 153,807.67 × 32,418.40
  4. Step 4: Simplify right side
    102,539.07x = 4,986,198,569.13
  5. Step 5: Solve for x
    x = 4,986,198,569.13/102,539.07
  6. Step 6: Final answer
    x = 48,627.30

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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.