Home / 125,741.84-173,509.19-72,023.65

Finding the Fourth Proportional to 125,741.84, 173,509.19 and 72,023.65

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Solution

The fourth proportional to 125,741.84, 173,509.19 and 72,023.65 is: 99,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,741.84 : 173,509.19 = 72,023.65 : x
  2. Step 2: Convert to fraction form
    125,741.84/173,509.19 = 72,023.65/x
  3. Step 3: Cross multiply
    125,741.84x = 173,509.19 × 72,023.65
  4. Step 4: Simplify right side
    125,741.84x = 12,496,764,648.54
  5. Step 5: Solve for x
    x = 12,496,764,648.54/125,741.84
  6. Step 6: Final answer
    x = 99,384.30

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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.