Home / 76,923.28-106,154.07-43,389.28

Finding the Fourth Proportional to 76,923.28, 106,154.07 and 43,389.28

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Solution

The fourth proportional to 76,923.28, 106,154.07 and 43,389.28 is: 59,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,923.28 : 106,154.07 = 43,389.28 : x
  2. Step 2: Convert to fraction form
    76,923.28/106,154.07 = 43,389.28/x
  3. Step 3: Cross multiply
    76,923.28x = 106,154.07 × 43,389.28
  4. Step 4: Simplify right side
    76,923.28x = 4,605,948,666.37
  5. Step 5: Solve for x
    x = 4,605,948,666.37/76,923.28
  6. Step 6: Final answer
    x = 59,877.17

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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.