Home / 104,569.18-156,840.81-61,900

Finding the Fourth Proportional to 104,569.18, 156,840.81 and 61,900

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Solution

The fourth proportional to 104,569.18, 156,840.81 and 61,900 is: 92,842.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,569.18 : 156,840.81 = 61,900 : x
  2. Step 2: Convert to fraction form
    104,569.18/156,840.81 = 61,900/x
  3. Step 3: Cross multiply
    104,569.18x = 156,840.81 × 61,900
  4. Step 4: Simplify right side
    104,569.18x = 9,708,446,139
  5. Step 5: Solve for x
    x = 9,708,446,139/104,569.18
  6. Step 6: Final answer
    x = 92,842.33

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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.