Home / 76,848.12-106,050.33-42,859.62

Finding the Fourth Proportional to 76,848.12, 106,050.33 and 42,859.62

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Solution

The fourth proportional to 76,848.12, 106,050.33 and 42,859.62 is: 59,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,848.12 : 106,050.33 = 42,859.62 : x
  2. Step 2: Convert to fraction form
    76,848.12/106,050.33 = 42,859.62/x
  3. Step 3: Cross multiply
    76,848.12x = 106,050.33 × 42,859.62
  4. Step 4: Simplify right side
    76,848.12x = 4,545,276,844.67
  5. Step 5: Solve for x
    x = 4,545,276,844.67/76,848.12
  6. Step 6: Final answer
    x = 59,146.23

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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.