Home / 86,002.93-118,740.27-55,874.13

Finding the Fourth Proportional to 86,002.93, 118,740.27 and 55,874.13

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Solution

The fourth proportional to 86,002.93, 118,740.27 and 55,874.13 is: 77,142.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,002.93 : 118,740.27 = 55,874.13 : x
  2. Step 2: Convert to fraction form
    86,002.93/118,740.27 = 55,874.13/x
  3. Step 3: Cross multiply
    86,002.93x = 118,740.27 × 55,874.13
  4. Step 4: Simplify right side
    86,002.93x = 6,634,509,282.22
  5. Step 5: Solve for x
    x = 6,634,509,282.22/86,002.93
  6. Step 6: Final answer
    x = 77,142.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.