Home / 125,777.96-173,548.41-72,079.82

Finding the Fourth Proportional to 125,777.96, 173,548.41 and 72,079.82

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Solution

The fourth proportional to 125,777.96, 173,548.41 and 72,079.82 is: 99,455.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,777.96 : 173,548.41 = 72,079.82 : x
  2. Step 2: Convert to fraction form
    125,777.96/173,548.41 = 72,079.82/x
  3. Step 3: Cross multiply
    125,777.96x = 173,548.41 × 72,079.82
  4. Step 4: Simplify right side
    125,777.96x = 12,509,338,154.09
  5. Step 5: Solve for x
    x = 12,509,338,154.09/125,777.96
  6. Step 6: Final answer
    x = 99,455.72

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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.