Home / 124,369.02-171,580.59-76,539.33

Finding the Fourth Proportional to 124,369.02, 171,580.59 and 76,539.33

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Solution

The fourth proportional to 124,369.02, 171,580.59 and 76,539.33 is: 105,594.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,369.02 : 171,580.59 = 76,539.33 : x
  2. Step 2: Convert to fraction form
    124,369.02/171,580.59 = 76,539.33/x
  3. Step 3: Cross multiply
    124,369.02x = 171,580.59 × 76,539.33
  4. Step 4: Simplify right side
    124,369.02x = 13,132,663,399.60
  5. Step 5: Solve for x
    x = 13,132,663,399.60/124,369.02
  6. Step 6: Final answer
    x = 105,594.33

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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.