Home / 70,031.50-105,053.66-27,901.37

Finding the Fourth Proportional to 70,031.50, 105,053.66 and 27,901.37

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Solution

The fourth proportional to 70,031.50, 105,053.66 and 27,901.37 is: 41,854.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,031.50 : 105,053.66 = 27,901.37 : x
  2. Step 2: Convert to fraction form
    70,031.50/105,053.66 = 27,901.37/x
  3. Step 3: Cross multiply
    70,031.50x = 105,053.66 × 27,901.37
  4. Step 4: Simplify right side
    70,031.50x = 2,931,140,898.01
  5. Step 5: Solve for x
    x = 2,931,140,898.01/70,031.50
  6. Step 6: Final answer
    x = 41,854.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.