Home / 96,642.81-145,005.93-52,300.85

Finding the Fourth Proportional to 96,642.81, 145,005.93 and 52,300.85

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Solution

The fourth proportional to 96,642.81, 145,005.93 and 52,300.85 is: 78,473.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,642.81 : 145,005.93 = 52,300.85 : x
  2. Step 2: Convert to fraction form
    96,642.81/145,005.93 = 52,300.85/x
  3. Step 3: Cross multiply
    96,642.81x = 145,005.93 × 52,300.85
  4. Step 4: Simplify right side
    96,642.81x = 7,583,932,669.01
  5. Step 5: Solve for x
    x = 7,583,932,669.01/96,642.81
  6. Step 6: Final answer
    x = 78,473.84

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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.