Home / 86,345.08-119,159.88-48,104.60

Finding the Fourth Proportional to 86,345.08, 119,159.88 and 48,104.60

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Solution

The fourth proportional to 86,345.08, 119,159.88 and 48,104.60 is: 66,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,345.08 : 119,159.88 = 48,104.60 : x
  2. Step 2: Convert to fraction form
    86,345.08/119,159.88 = 48,104.60/x
  3. Step 3: Cross multiply
    86,345.08x = 119,159.88 × 48,104.60
  4. Step 4: Simplify right side
    86,345.08x = 5,732,137,587.26
  5. Step 5: Solve for x
    x = 5,732,137,587.26/86,345.08
  6. Step 6: Final answer
    x = 66,386.39

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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.