Home / 86,088.47-118,780.02-50,257.89

Finding the Fourth Proportional to 86,088.47, 118,780.02 and 50,257.89

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Solution

The fourth proportional to 86,088.47, 118,780.02 and 50,257.89 is: 69,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,088.47 : 118,780.02 = 50,257.89 : x
  2. Step 2: Convert to fraction form
    86,088.47/118,780.02 = 50,257.89/x
  3. Step 3: Cross multiply
    86,088.47x = 118,780.02 × 50,257.89
  4. Step 4: Simplify right side
    86,088.47x = 5,969,633,179.36
  5. Step 5: Solve for x
    x = 5,969,633,179.36/86,088.47
  6. Step 6: Final answer
    x = 69,343.01

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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.