Home / 77,011.46-106,276.20-43,021.38

Finding the Fourth Proportional to 77,011.46, 106,276.20 and 43,021.38

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Solution

The fourth proportional to 77,011.46, 106,276.20 and 43,021.38 is: 59,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,011.46 : 106,276.20 = 43,021.38 : x
  2. Step 2: Convert to fraction form
    77,011.46/106,276.20 = 43,021.38/x
  3. Step 3: Cross multiply
    77,011.46x = 106,276.20 × 43,021.38
  4. Step 4: Simplify right side
    77,011.46x = 4,572,148,785.16
  5. Step 5: Solve for x
    x = 4,572,148,785.16/77,011.46
  6. Step 6: Final answer
    x = 59,369.72

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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.