Home / 86,234.06-118,985.09-50,417.15

Finding the Fourth Proportional to 86,234.06, 118,985.09 and 50,417.15

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Solution

The fourth proportional to 86,234.06, 118,985.09 and 50,417.15 is: 69,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,234.06 : 118,985.09 = 50,417.15 : x
  2. Step 2: Convert to fraction form
    86,234.06/118,985.09 = 50,417.15/x
  3. Step 3: Cross multiply
    86,234.06x = 118,985.09 × 50,417.15
  4. Step 4: Simplify right side
    86,234.06x = 5,998,888,283.28
  5. Step 5: Solve for x
    x = 5,998,888,283.28/86,234.06
  6. Step 6: Final answer
    x = 69,565.18

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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.