Home / 85,004.10-127,502.10-28,838.70

Finding the Fourth Proportional to 85,004.10, 127,502.10 and 28,838.70

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Solution

The fourth proportional to 85,004.10, 127,502.10 and 28,838.70 is: 43,256.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,004.10 : 127,502.10 = 28,838.70 : x
  2. Step 2: Convert to fraction form
    85,004.10/127,502.10 = 28,838.70/x
  3. Step 3: Cross multiply
    85,004.10x = 127,502.10 × 28,838.70
  4. Step 4: Simplify right side
    85,004.10x = 3,676,994,811.27
  5. Step 5: Solve for x
    x = 3,676,994,811.27/85,004.10
  6. Step 6: Final answer
    x = 43,256.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.