Home / 85,265.36-127,898.08-29,848.40

Finding the Fourth Proportional to 85,265.36, 127,898.08 and 29,848.40

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Solution

The fourth proportional to 85,265.36, 127,898.08 and 29,848.40 is: 44,772.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,265.36 : 127,898.08 = 29,848.40 : x
  2. Step 2: Convert to fraction form
    85,265.36/127,898.08 = 29,848.40/x
  3. Step 3: Cross multiply
    85,265.36x = 127,898.08 × 29,848.40
  4. Step 4: Simplify right side
    85,265.36x = 3,817,553,051.07
  5. Step 5: Solve for x
    x = 3,817,553,051.07/85,265.36
  6. Step 6: Final answer
    x = 44,772.61

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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.