Home / 76,923.68-106,160.63-42,475.13

Finding the Fourth Proportional to 76,923.68, 106,160.63 and 42,475.13

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Solution

The fourth proportional to 76,923.68, 106,160.63 and 42,475.13 is: 58,618.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,923.68 : 106,160.63 = 42,475.13 : x
  2. Step 2: Convert to fraction form
    76,923.68/106,160.63 = 42,475.13/x
  3. Step 3: Cross multiply
    76,923.68x = 106,160.63 × 42,475.13
  4. Step 4: Simplify right side
    76,923.68x = 4,509,186,812.21
  5. Step 5: Solve for x
    x = 4,509,186,812.21/76,923.68
  6. Step 6: Final answer
    x = 58,618.97

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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.