Home / 125,768.77-173,573.63-72,060.91

Finding the Fourth Proportional to 125,768.77, 173,573.63 and 72,060.91

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Solution

The fourth proportional to 125,768.77, 173,573.63 and 72,060.91 is: 99,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,768.77 : 173,573.63 = 72,060.91 : x
  2. Step 2: Convert to fraction form
    125,768.77/173,573.63 = 72,060.91/x
  3. Step 3: Cross multiply
    125,768.77x = 173,573.63 × 72,060.91
  4. Step 4: Simplify right side
    125,768.77x = 12,507,873,729.80
  5. Step 5: Solve for x
    x = 12,507,873,729.80/125,768.77
  6. Step 6: Final answer
    x = 99,451.35

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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.