Home / 102,541.90-153,837.15-52,629.70

Finding the Fourth Proportional to 102,541.90, 153,837.15 and 52,629.70

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Solution

The fourth proportional to 102,541.90, 153,837.15 and 52,629.70 is: 78,957.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,541.90 : 153,837.15 = 52,629.70 : x
  2. Step 2: Convert to fraction form
    102,541.90/153,837.15 = 52,629.70/x
  3. Step 3: Cross multiply
    102,541.90x = 153,837.15 × 52,629.70
  4. Step 4: Simplify right side
    102,541.90x = 8,096,403,053.36
  5. Step 5: Solve for x
    x = 8,096,403,053.36/102,541.90
  6. Step 6: Final answer
    x = 78,957.02

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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.