Home / 98,949.03-136,551.32-53,628.47

Finding the Fourth Proportional to 98,949.03, 136,551.32 and 53,628.47

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Solution

The fourth proportional to 98,949.03, 136,551.32 and 53,628.47 is: 74,008.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,949.03 : 136,551.32 = 53,628.47 : x
  2. Step 2: Convert to fraction form
    98,949.03/136,551.32 = 53,628.47/x
  3. Step 3: Cross multiply
    98,949.03x = 136,551.32 × 53,628.47
  4. Step 4: Simplify right side
    98,949.03x = 7,323,037,417.18
  5. Step 5: Solve for x
    x = 7,323,037,417.18/98,949.03
  6. Step 6: Final answer
    x = 74,008.18

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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.