Home / 84,001.12-125,915.28-37,276

Finding the Fourth Proportional to 84,001.12, 125,915.28 and 37,276

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Solution

The fourth proportional to 84,001.12, 125,915.28 and 37,276 is: 55,875.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,001.12 : 125,915.28 = 37,276 : x
  2. Step 2: Convert to fraction form
    84,001.12/125,915.28 = 37,276/x
  3. Step 3: Cross multiply
    84,001.12x = 125,915.28 × 37,276
  4. Step 4: Simplify right side
    84,001.12x = 4,693,617,977.28
  5. Step 5: Solve for x
    x = 4,693,617,977.28/84,001.12
  6. Step 6: Final answer
    x = 55,875.66

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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.