Home / 76,822.16-106,010.16-42,829.52

Finding the Fourth Proportional to 76,822.16, 106,010.16 and 42,829.52

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Solution

The fourth proportional to 76,822.16, 106,010.16 and 42,829.52 is: 59,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,822.16 : 106,010.16 = 42,829.52 : x
  2. Step 2: Convert to fraction form
    76,822.16/106,010.16 = 42,829.52/x
  3. Step 3: Cross multiply
    76,822.16x = 106,010.16 × 42,829.52
  4. Step 4: Simplify right side
    76,822.16x = 4,540,364,267.92
  5. Step 5: Solve for x
    x = 4,540,364,267.92/76,822.16
  6. Step 6: Final answer
    x = 59,102.27

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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.