Home / 98,905.68-136,490.22-53,583.72

Finding the Fourth Proportional to 98,905.68, 136,490.22 and 53,583.72

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Solution

The fourth proportional to 98,905.68, 136,490.22 and 53,583.72 is: 73,945.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,905.68 : 136,490.22 = 53,583.72 : x
  2. Step 2: Convert to fraction form
    98,905.68/136,490.22 = 53,583.72/x
  3. Step 3: Cross multiply
    98,905.68x = 136,490.22 × 53,583.72
  4. Step 4: Simplify right side
    98,905.68x = 7,313,653,731.22
  5. Step 5: Solve for x
    x = 7,313,653,731.22/98,905.68
  6. Step 6: Final answer
    x = 73,945.74

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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.