Home / 90,525.77-124,940.58-52,800.02

Finding the Fourth Proportional to 90,525.77, 124,940.58 and 52,800.02

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Solution

The fourth proportional to 90,525.77, 124,940.58 and 52,800.02 is: 72,872.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,525.77 : 124,940.58 = 52,800.02 : x
  2. Step 2: Convert to fraction form
    90,525.77/124,940.58 = 52,800.02/x
  3. Step 3: Cross multiply
    90,525.77x = 124,940.58 × 52,800.02
  4. Step 4: Simplify right side
    90,525.77x = 6,596,865,122.81
  5. Step 5: Solve for x
    x = 6,596,865,122.81/90,525.77
  6. Step 6: Final answer
    x = 72,872.79

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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.