Home / 100,875.24-151,312.84-30,753.94

Finding the Fourth Proportional to 100,875.24, 151,312.84 and 30,753.94

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Solution

The fourth proportional to 100,875.24, 151,312.84 and 30,753.94 is: 46,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,875.24 : 151,312.84 = 30,753.94 : x
  2. Step 2: Convert to fraction form
    100,875.24/151,312.84 = 30,753.94/x
  3. Step 3: Cross multiply
    100,875.24x = 151,312.84 × 30,753.94
  4. Step 4: Simplify right side
    100,875.24x = 4,653,466,002.59
  5. Step 5: Solve for x
    x = 4,653,466,002.59/100,875.24
  6. Step 6: Final answer
    x = 46,130.90

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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.