Home / 66,595.24-91,904.16-38,300.91

Finding the Fourth Proportional to 66,595.24, 91,904.16 and 38,300.91

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Solution

The fourth proportional to 66,595.24, 91,904.16 and 38,300.91 is: 52,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,595.24 : 91,904.16 = 38,300.91 : x
  2. Step 2: Convert to fraction form
    66,595.24/91,904.16 = 38,300.91/x
  3. Step 3: Cross multiply
    66,595.24x = 91,904.16 × 38,300.91
  4. Step 4: Simplify right side
    66,595.24x = 3,520,012,960.79
  5. Step 5: Solve for x
    x = 3,520,012,960.79/66,595.24
  6. Step 6: Final answer
    x = 52,856.83

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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.