Home / 76,829.99-106,017.62-42,835.28

Finding the Fourth Proportional to 76,829.99, 106,017.62 and 42,835.28

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Solution

The fourth proportional to 76,829.99, 106,017.62 and 42,835.28 is: 59,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,829.99 : 106,017.62 = 42,835.28 : x
  2. Step 2: Convert to fraction form
    76,829.99/106,017.62 = 42,835.28/x
  3. Step 3: Cross multiply
    76,829.99x = 106,017.62 × 42,835.28
  4. Step 4: Simplify right side
    76,829.99x = 4,541,293,693.37
  5. Step 5: Solve for x
    x = 4,541,293,693.37/76,829.99
  6. Step 6: Final answer
    x = 59,108.35

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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.