Home / 90,255.57-124,585.40-52,529.82

Finding the Fourth Proportional to 90,255.57, 124,585.40 and 52,529.82

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Solution

The fourth proportional to 90,255.57, 124,585.40 and 52,529.82 is: 72,510.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,255.57 : 124,585.40 = 52,529.82 : x
  2. Step 2: Convert to fraction form
    90,255.57/124,585.40 = 52,529.82/x
  3. Step 3: Cross multiply
    90,255.57x = 124,585.40 × 52,529.82
  4. Step 4: Simplify right side
    90,255.57x = 6,544,448,767.95
  5. Step 5: Solve for x
    x = 6,544,448,767.95/90,255.57
  6. Step 6: Final answer
    x = 72,510.19

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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.