Home / 77,798.20-116,703.44-38,333.80

Finding the Fourth Proportional to 77,798.20, 116,703.44 and 38,333.80

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Solution

The fourth proportional to 77,798.20, 116,703.44 and 38,333.80 is: 57,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,798.20 : 116,703.44 = 38,333.80 : x
  2. Step 2: Convert to fraction form
    77,798.20/116,703.44 = 38,333.80/x
  3. Step 3: Cross multiply
    77,798.20x = 116,703.44 × 38,333.80
  4. Step 4: Simplify right side
    77,798.20x = 4,473,686,136.60
  5. Step 5: Solve for x
    x = 4,473,686,136.60/77,798.20
  6. Step 6: Final answer
    x = 57,503.72

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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.