Home / 126,027.95-173,922.50-72,322.79

Finding the Fourth Proportional to 126,027.95, 173,922.50 and 72,322.79

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Solution

The fourth proportional to 126,027.95, 173,922.50 and 72,322.79 is: 99,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,027.95 : 173,922.50 = 72,322.79 : x
  2. Step 2: Convert to fraction form
    126,027.95/173,922.50 = 72,322.79/x
  3. Step 3: Cross multiply
    126,027.95x = 173,922.50 × 72,322.79
  4. Step 4: Simplify right side
    126,027.95x = 12,578,559,754.97
  5. Step 5: Solve for x
    x = 12,578,559,754.97/126,027.95
  6. Step 6: Final answer
    x = 99,807.70

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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.