Home / 53,806.20-80,774.10-53,417.40

Finding the Fourth Proportional to 53,806.20, 80,774.10 and 53,417.40

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Solution

The fourth proportional to 53,806.20, 80,774.10 and 53,417.40 is: 80,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,806.20 : 80,774.10 = 53,417.40 : x
  2. Step 2: Convert to fraction form
    53,806.20/80,774.10 = 53,417.40/x
  3. Step 3: Cross multiply
    53,806.20x = 80,774.10 × 53,417.40
  4. Step 4: Simplify right side
    53,806.20x = 4,314,742,409.34
  5. Step 5: Solve for x
    x = 4,314,742,409.34/53,806.20
  6. Step 6: Final answer
    x = 80,190.43

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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.