Home / 126,553-174,646.79-69,968.02

Finding the Fourth Proportional to 126,553, 174,646.79 and 69,968.02

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Solution

The fourth proportional to 126,553, 174,646.79 and 69,968.02 is: 96,557.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,553 : 174,646.79 = 69,968.02 : x
  2. Step 2: Convert to fraction form
    126,553/174,646.79 = 69,968.02/x
  3. Step 3: Cross multiply
    126,553x = 174,646.79 × 69,968.02
  4. Step 4: Simplify right side
    126,553x = 12,219,690,095.66
  5. Step 5: Solve for x
    x = 12,219,690,095.66/126,553
  6. Step 6: Final answer
    x = 96,557.89

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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.