Home / 86,854.19-119,888.36-51,054.83

Finding the Fourth Proportional to 86,854.19, 119,888.36 and 51,054.83

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Solution

The fourth proportional to 86,854.19, 119,888.36 and 51,054.83 is: 70,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,854.19 : 119,888.36 = 51,054.83 : x
  2. Step 2: Convert to fraction form
    86,854.19/119,888.36 = 51,054.83/x
  3. Step 3: Cross multiply
    86,854.19x = 119,888.36 × 51,054.83
  4. Step 4: Simplify right side
    86,854.19x = 6,120,878,984.06
  5. Step 5: Solve for x
    x = 6,120,878,984.06/86,854.19
  6. Step 6: Final answer
    x = 70,473.05

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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.