Home / 105,177.96-157,642.08-60,712.72

Finding the Fourth Proportional to 105,177.96, 157,642.08 and 60,712.72

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Solution

The fourth proportional to 105,177.96, 157,642.08 and 60,712.72 is: 90,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,177.96 : 157,642.08 = 60,712.72 : x
  2. Step 2: Convert to fraction form
    105,177.96/157,642.08 = 60,712.72/x
  3. Step 3: Cross multiply
    105,177.96x = 157,642.08 × 60,712.72
  4. Step 4: Simplify right side
    105,177.96x = 9,570,879,463.26
  5. Step 5: Solve for x
    x = 9,570,879,463.26/105,177.96
  6. Step 6: Final answer
    x = 90,997.01

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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.