Home / 103,537.36-142,798.08-69,535.54

Finding the Fourth Proportional to 103,537.36, 142,798.08 and 69,535.54

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Solution

The fourth proportional to 103,537.36, 142,798.08 and 69,535.54 is: 95,902.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,537.36 : 142,798.08 = 69,535.54 : x
  2. Step 2: Convert to fraction form
    103,537.36/142,798.08 = 69,535.54/x
  3. Step 3: Cross multiply
    103,537.36x = 142,798.08 × 69,535.54
  4. Step 4: Simplify right side
    103,537.36x = 9,929,541,603.76
  5. Step 5: Solve for x
    x = 9,929,541,603.76/103,537.36
  6. Step 6: Final answer
    x = 95,902.98

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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.