Home / 98,710.03-136,219.43-53,388.06

Finding the Fourth Proportional to 98,710.03, 136,219.43 and 53,388.06

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Solution

The fourth proportional to 98,710.03, 136,219.43 and 53,388.06 is: 73,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,710.03 : 136,219.43 = 53,388.06 : x
  2. Step 2: Convert to fraction form
    98,710.03/136,219.43 = 53,388.06/x
  3. Step 3: Cross multiply
    98,710.03x = 136,219.43 × 53,388.06
  4. Step 4: Simplify right side
    98,710.03x = 7,272,491,235.48
  5. Step 5: Solve for x
    x = 7,272,491,235.48/98,710.03
  6. Step 6: Final answer
    x = 73,675.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.