Home / 99,828.36-137,793.06-59,570.28

Finding the Fourth Proportional to 99,828.36, 137,793.06 and 59,570.28

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Solution

The fourth proportional to 99,828.36, 137,793.06 and 59,570.28 is: 82,224.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,828.36 : 137,793.06 = 59,570.28 : x
  2. Step 2: Convert to fraction form
    99,828.36/137,793.06 = 59,570.28/x
  3. Step 3: Cross multiply
    99,828.36x = 137,793.06 × 59,570.28
  4. Step 4: Simplify right side
    99,828.36x = 8,208,371,166.26
  5. Step 5: Solve for x
    x = 8,208,371,166.26/99,828.36
  6. Step 6: Final answer
    x = 82,224.84

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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.