Home / 100,948.02-151,443.63-30,832.50

Finding the Fourth Proportional to 100,948.02, 151,443.63 and 30,832.50

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Solution

The fourth proportional to 100,948.02, 151,443.63 and 30,832.50 is: 46,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,948.02 : 151,443.63 = 30,832.50 : x
  2. Step 2: Convert to fraction form
    100,948.02/151,443.63 = 30,832.50/x
  3. Step 3: Cross multiply
    100,948.02x = 151,443.63 × 30,832.50
  4. Step 4: Simplify right side
    100,948.02x = 4,669,385,721.98
  5. Step 5: Solve for x
    x = 4,669,385,721.98/100,948.02
  6. Step 6: Final answer
    x = 46,255.35

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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.