Home / 77,743.80-116,615.70-35,623.80

Finding the Fourth Proportional to 77,743.80, 116,615.70 and 35,623.80

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Solution

The fourth proportional to 77,743.80, 116,615.70 and 35,623.80 is: 53,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,743.80 : 116,615.70 = 35,623.80 : x
  2. Step 2: Convert to fraction form
    77,743.80/116,615.70 = 35,623.80/x
  3. Step 3: Cross multiply
    77,743.80x = 116,615.70 × 35,623.80
  4. Step 4: Simplify right side
    77,743.80x = 4,154,294,373.66
  5. Step 5: Solve for x
    x = 4,154,294,373.66/77,743.80
  6. Step 6: Final answer
    x = 53,435.70

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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.