Home / 86,791.08-119,707.37-61,270.84

Finding the Fourth Proportional to 86,791.08, 119,707.37 and 61,270.84

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Solution

The fourth proportional to 86,791.08, 119,707.37 and 61,270.84 is: 84,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,791.08 : 119,707.37 = 61,270.84 : x
  2. Step 2: Convert to fraction form
    86,791.08/119,707.37 = 61,270.84/x
  3. Step 3: Cross multiply
    86,791.08x = 119,707.37 × 61,270.84
  4. Step 4: Simplify right side
    86,791.08x = 7,334,570,209.20
  5. Step 5: Solve for x
    x = 7,334,570,209.20/86,791.08
  6. Step 6: Final answer
    x = 84,508.35

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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.