Home / 90,758.41-125,263.07-52,513.45

Finding the Fourth Proportional to 90,758.41, 125,263.07 and 52,513.45

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Solution

The fourth proportional to 90,758.41, 125,263.07 and 52,513.45 is: 72,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,758.41 : 125,263.07 = 52,513.45 : x
  2. Step 2: Convert to fraction form
    90,758.41/125,263.07 = 52,513.45/x
  3. Step 3: Cross multiply
    90,758.41x = 125,263.07 × 52,513.45
  4. Step 4: Simplify right side
    90,758.41x = 6,577,995,963.29
  5. Step 5: Solve for x
    x = 6,577,995,963.29/90,758.41
  6. Step 6: Final answer
    x = 72,478.09

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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.