Home / 112,378.77-168,580-37,472.80

Finding the Fourth Proportional to 112,378.77, 168,580 and 37,472.80

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Solution

The fourth proportional to 112,378.77, 168,580 and 37,472.80 is: 56,213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,378.77 : 168,580 = 37,472.80 : x
  2. Step 2: Convert to fraction form
    112,378.77/168,580 = 37,472.80/x
  3. Step 3: Cross multiply
    112,378.77x = 168,580 × 37,472.80
  4. Step 4: Simplify right side
    112,378.77x = 6,317,164,624.00
  5. Step 5: Solve for x
    x = 6,317,164,624.00/112,378.77
  6. Step 6: Final answer
    x = 56,213.15

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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.