Home / 86,278.84-119,045.10-48,539.32

Finding the Fourth Proportional to 86,278.84, 119,045.10 and 48,539.32

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Solution

The fourth proportional to 86,278.84, 119,045.10 and 48,539.32 is: 66,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,278.84 : 119,045.10 = 48,539.32 : x
  2. Step 2: Convert to fraction form
    86,278.84/119,045.10 = 48,539.32/x
  3. Step 3: Cross multiply
    86,278.84x = 119,045.10 × 48,539.32
  4. Step 4: Simplify right side
    86,278.84x = 5,778,368,203.33
  5. Step 5: Solve for x
    x = 5,778,368,203.33/86,278.84
  6. Step 6: Final answer
    x = 66,973.18

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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.