Home / 98,798.68-148,153.20-42,612.24

Finding the Fourth Proportional to 98,798.68, 148,153.20 and 42,612.24

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Solution

The fourth proportional to 98,798.68, 148,153.20 and 42,612.24 is: 63,899.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,798.68 : 148,153.20 = 42,612.24 : x
  2. Step 2: Convert to fraction form
    98,798.68/148,153.20 = 42,612.24/x
  3. Step 3: Cross multiply
    98,798.68x = 148,153.20 × 42,612.24
  4. Step 4: Simplify right side
    98,798.68x = 6,313,139,715.17
  5. Step 5: Solve for x
    x = 6,313,139,715.17/98,798.68
  6. Step 6: Final answer
    x = 63,899.03

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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.