Home / 86,429.76-119,273.12-46,685.76

Finding the Fourth Proportional to 86,429.76, 119,273.12 and 46,685.76

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Solution

The fourth proportional to 86,429.76, 119,273.12 and 46,685.76 is: 64,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,429.76 : 119,273.12 = 46,685.76 : x
  2. Step 2: Convert to fraction form
    86,429.76/119,273.12 = 46,685.76/x
  3. Step 3: Cross multiply
    86,429.76x = 119,273.12 × 46,685.76
  4. Step 4: Simplify right side
    86,429.76x = 5,568,356,254.77
  5. Step 5: Solve for x
    x = 5,568,356,254.77/86,429.76
  6. Step 6: Final answer
    x = 64,426.38

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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.