Home / 92,898.12-128,252.52-61,159.29

Finding the Fourth Proportional to 92,898.12, 128,252.52 and 61,159.29

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Solution

The fourth proportional to 92,898.12, 128,252.52 and 61,159.29 is: 84,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,898.12 : 128,252.52 = 61,159.29 : x
  2. Step 2: Convert to fraction form
    92,898.12/128,252.52 = 61,159.29/x
  3. Step 3: Cross multiply
    92,898.12x = 128,252.52 × 61,159.29
  4. Step 4: Simplify right side
    92,898.12x = 7,843,833,063.91
  5. Step 5: Solve for x
    x = 7,843,833,063.91/92,898.12
  6. Step 6: Final answer
    x = 84,434.79

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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.