Home / 76,849.40-106,050.06-42,858.92

Finding the Fourth Proportional to 76,849.40, 106,050.06 and 42,858.92

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Solution

The fourth proportional to 76,849.40, 106,050.06 and 42,858.92 is: 59,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,849.40 : 106,050.06 = 42,858.92 : x
  2. Step 2: Convert to fraction form
    76,849.40/106,050.06 = 42,858.92/x
  3. Step 3: Cross multiply
    76,849.40x = 106,050.06 × 42,858.92
  4. Step 4: Simplify right side
    76,849.40x = 4,545,191,037.54
  5. Step 5: Solve for x
    x = 4,545,191,037.54/76,849.40
  6. Step 6: Final answer
    x = 59,144.13

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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.