Home / 86,445.54-119,291.15-63,776.37

Finding the Fourth Proportional to 86,445.54, 119,291.15 and 63,776.37

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Solution

The fourth proportional to 86,445.54, 119,291.15 and 63,776.37 is: 88,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,445.54 : 119,291.15 = 63,776.37 : x
  2. Step 2: Convert to fraction form
    86,445.54/119,291.15 = 63,776.37/x
  3. Step 3: Cross multiply
    86,445.54x = 119,291.15 × 63,776.37
  4. Step 4: Simplify right side
    86,445.54x = 7,607,956,679.57
  5. Step 5: Solve for x
    x = 7,607,956,679.57/86,445.54
  6. Step 6: Final answer
    x = 88,008.67

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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.