Home / 53,779.18-74,217.19-29,581.99

Finding the Fourth Proportional to 53,779.18, 74,217.19 and 29,581.99

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Solution

The fourth proportional to 53,779.18, 74,217.19 and 29,581.99 is: 40,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,779.18 : 74,217.19 = 29,581.99 : x
  2. Step 2: Convert to fraction form
    53,779.18/74,217.19 = 29,581.99/x
  3. Step 3: Cross multiply
    53,779.18x = 74,217.19 × 29,581.99
  4. Step 4: Simplify right side
    53,779.18x = 2,195,492,172.41
  5. Step 5: Solve for x
    x = 2,195,492,172.41/53,779.18
  6. Step 6: Final answer
    x = 40,824.20

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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.