Home / 90,813.96-125,256.24-62,528.76

Finding the Fourth Proportional to 90,813.96, 125,256.24 and 62,528.76

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Solution

The fourth proportional to 90,813.96, 125,256.24 and 62,528.76 is: 86,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,813.96 : 125,256.24 = 62,528.76 : x
  2. Step 2: Convert to fraction form
    90,813.96/125,256.24 = 62,528.76/x
  3. Step 3: Cross multiply
    90,813.96x = 125,256.24 × 62,528.76
  4. Step 4: Simplify right side
    90,813.96x = 7,832,117,369.46
  5. Step 5: Solve for x
    x = 7,832,117,369.46/90,813.96
  6. Step 6: Final answer
    x = 86,243.54

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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.