Home / 90,895.52-125,434.32-53,176.16

Finding the Fourth Proportional to 90,895.52, 125,434.32 and 53,176.16

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Solution

The fourth proportional to 90,895.52, 125,434.32 and 53,176.16 is: 73,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,895.52 : 125,434.32 = 53,176.16 : x
  2. Step 2: Convert to fraction form
    90,895.52/125,434.32 = 53,176.16/x
  3. Step 3: Cross multiply
    90,895.52x = 125,434.32 × 53,176.16
  4. Step 4: Simplify right side
    90,895.52x = 6,670,115,469.81
  5. Step 5: Solve for x
    x = 6,670,115,469.81/90,895.52
  6. Step 6: Final answer
    x = 73,382.22

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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.