Home / 61,779.13-92,668.71-17,400.12

Finding the Fourth Proportional to 61,779.13, 92,668.71 and 17,400.12

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Solution

The fourth proportional to 61,779.13, 92,668.71 and 17,400.12 is: 26,100.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,779.13 : 92,668.71 = 17,400.12 : x
  2. Step 2: Convert to fraction form
    61,779.13/92,668.71 = 17,400.12/x
  3. Step 3: Cross multiply
    61,779.13x = 92,668.71 × 17,400.12
  4. Step 4: Simplify right side
    61,779.13x = 1,612,446,294.11
  5. Step 5: Solve for x
    x = 1,612,446,294.11/61,779.13
  6. Step 6: Final answer
    x = 26,100.18

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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.