Home / 90,155.64-124,372.89-58,334.82

Finding the Fourth Proportional to 90,155.64, 124,372.89 and 58,334.82

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Solution

The fourth proportional to 90,155.64, 124,372.89 and 58,334.82 is: 80,474.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,155.64 : 124,372.89 = 58,334.82 : x
  2. Step 2: Convert to fraction form
    90,155.64/124,372.89 = 58,334.82/x
  3. Step 3: Cross multiply
    90,155.64x = 124,372.89 × 58,334.82
  4. Step 4: Simplify right side
    90,155.64x = 7,255,270,151.03
  5. Step 5: Solve for x
    x = 7,255,270,151.03/90,155.64
  6. Step 6: Final answer
    x = 80,474.94

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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.