Home / 90,085.94-124,320.10-52,360.18

Finding the Fourth Proportional to 90,085.94, 124,320.10 and 52,360.18

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Solution

The fourth proportional to 90,085.94, 124,320.10 and 52,360.18 is: 72,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,085.94 : 124,320.10 = 52,360.18 : x
  2. Step 2: Convert to fraction form
    90,085.94/124,320.10 = 52,360.18/x
  3. Step 3: Cross multiply
    90,085.94x = 124,320.10 × 52,360.18
  4. Step 4: Simplify right side
    90,085.94x = 6,509,422,813.62
  5. Step 5: Solve for x
    x = 6,509,422,813.62/90,085.94
  6. Step 6: Final answer
    x = 72,257.92

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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.