Home / 61,938.68-92,914.19-19,808.18

Finding the Fourth Proportional to 61,938.68, 92,914.19 and 19,808.18

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Solution

The fourth proportional to 61,938.68, 92,914.19 and 19,808.18 is: 29,714.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,938.68 : 92,914.19 = 19,808.18 : x
  2. Step 2: Convert to fraction form
    61,938.68/92,914.19 = 19,808.18/x
  3. Step 3: Cross multiply
    61,938.68x = 92,914.19 × 19,808.18
  4. Step 4: Simplify right side
    61,938.68x = 1,840,461,000.07
  5. Step 5: Solve for x
    x = 1,840,461,000.07/61,938.68
  6. Step 6: Final answer
    x = 29,714.24

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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.