Home / 77,875.07-116,822.32-30,484.04

Finding the Fourth Proportional to 77,875.07, 116,822.32 and 30,484.04

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Solution

The fourth proportional to 77,875.07, 116,822.32 and 30,484.04 is: 45,729.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,875.07 : 116,822.32 = 30,484.04 : x
  2. Step 2: Convert to fraction form
    77,875.07/116,822.32 = 30,484.04/x
  3. Step 3: Cross multiply
    77,875.07x = 116,822.32 × 30,484.04
  4. Step 4: Simplify right side
    77,875.07x = 3,561,215,615.45
  5. Step 5: Solve for x
    x = 3,561,215,615.45/77,875.07
  6. Step 6: Final answer
    x = 45,729.86

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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.