Home / 104,492.90-156,806.55-57,779.30

Finding the Fourth Proportional to 104,492.90, 156,806.55 and 57,779.30

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Solution

The fourth proportional to 104,492.90, 156,806.55 and 57,779.30 is: 86,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,492.90 : 156,806.55 = 57,779.30 : x
  2. Step 2: Convert to fraction form
    104,492.90/156,806.55 = 57,779.30/x
  3. Step 3: Cross multiply
    104,492.90x = 156,806.55 × 57,779.30
  4. Step 4: Simplify right side
    104,492.90x = 9,060,172,694.42
  5. Step 5: Solve for x
    x = 9,060,172,694.42/104,492.90
  6. Step 6: Final answer
    x = 86,706.11

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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.