Home / 77,699.39-116,549.09-51,397.98

Finding the Fourth Proportional to 77,699.39, 116,549.09 and 51,397.98

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Solution

The fourth proportional to 77,699.39, 116,549.09 and 51,397.98 is: 77,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,699.39 : 116,549.09 = 51,397.98 : x
  2. Step 2: Convert to fraction form
    77,699.39/116,549.09 = 51,397.98/x
  3. Step 3: Cross multiply
    77,699.39x = 116,549.09 × 51,397.98
  4. Step 4: Simplify right side
    77,699.39x = 5,990,387,831.22
  5. Step 5: Solve for x
    x = 5,990,387,831.22/77,699.39
  6. Step 6: Final answer
    x = 77,096.97

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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.