Home / 61,666.32-85,004.46-50,315.79

Finding the Fourth Proportional to 61,666.32, 85,004.46 and 50,315.79

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Solution

The fourth proportional to 61,666.32, 85,004.46 and 50,315.79 is: 69,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,666.32 : 85,004.46 = 50,315.79 : x
  2. Step 2: Convert to fraction form
    61,666.32/85,004.46 = 50,315.79/x
  3. Step 3: Cross multiply
    61,666.32x = 85,004.46 × 50,315.79
  4. Step 4: Simplify right side
    61,666.32x = 4,277,066,558.42
  5. Step 5: Solve for x
    x = 4,277,066,558.42/61,666.32
  6. Step 6: Final answer
    x = 69,358.23

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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.