Home / 86,587.08-119,489-48,347.22

Finding the Fourth Proportional to 86,587.08, 119,489 and 48,347.22

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Solution

The fourth proportional to 86,587.08, 119,489 and 48,347.22 is: 66,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,587.08 : 119,489 = 48,347.22 : x
  2. Step 2: Convert to fraction form
    86,587.08/119,489 = 48,347.22/x
  3. Step 3: Cross multiply
    86,587.08x = 119,489 × 48,347.22
  4. Step 4: Simplify right side
    86,587.08x = 5,776,960,970.58
  5. Step 5: Solve for x
    x = 5,776,960,970.58/86,587.08
  6. Step 6: Final answer
    x = 66,718.51

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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.