Home / 77,610.21-116,581.14-55,565.25

Finding the Fourth Proportional to 77,610.21, 116,581.14 and 55,565.25

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Solution

The fourth proportional to 77,610.21, 116,581.14 and 55,565.25 is: 83,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,610.21 : 116,581.14 = 55,565.25 : x
  2. Step 2: Convert to fraction form
    77,610.21/116,581.14 = 55,565.25/x
  3. Step 3: Cross multiply
    77,610.21x = 116,581.14 × 55,565.25
  4. Step 4: Simplify right side
    77,610.21x = 6,477,860,189.39
  5. Step 5: Solve for x
    x = 6,477,860,189.39/77,610.21
  6. Step 6: Final answer
    x = 83,466.60

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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.