Home / 112,739.74-169,103.70-37,861.42

Finding the Fourth Proportional to 112,739.74, 169,103.70 and 37,861.42

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Solution

The fourth proportional to 112,739.74, 169,103.70 and 37,861.42 is: 56,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,739.74 : 169,103.70 = 37,861.42 : x
  2. Step 2: Convert to fraction form
    112,739.74/169,103.70 = 37,861.42/x
  3. Step 3: Cross multiply
    112,739.74x = 169,103.70 × 37,861.42
  4. Step 4: Simplify right side
    112,739.74x = 6,402,506,209.25
  5. Step 5: Solve for x
    x = 6,402,506,209.25/112,739.74
  6. Step 6: Final answer
    x = 56,790.15

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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.