Home / 76,816.16-106,001.84-42,823.52

Finding the Fourth Proportional to 76,816.16, 106,001.84 and 42,823.52

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Solution

The fourth proportional to 76,816.16, 106,001.84 and 42,823.52 is: 59,093.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,816.16 : 106,001.84 = 42,823.52 : x
  2. Step 2: Convert to fraction form
    76,816.16/106,001.84 = 42,823.52/x
  3. Step 3: Cross multiply
    76,816.16x = 106,001.84 × 42,823.52
  4. Step 4: Simplify right side
    76,816.16x = 4,539,371,915.28
  5. Step 5: Solve for x
    x = 4,539,371,915.28/76,816.16
  6. Step 6: Final answer
    x = 59,093.97

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1.5x scale

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.