Home / 86,541.60-119,428.32-48,304.80

Finding the Fourth Proportional to 86,541.60, 119,428.32 and 48,304.80

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Solution

The fourth proportional to 86,541.60, 119,428.32 and 48,304.80 is: 66,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,541.60 : 119,428.32 = 48,304.80 : x
  2. Step 2: Convert to fraction form
    86,541.60/119,428.32 = 48,304.80/x
  3. Step 3: Cross multiply
    86,541.60x = 119,428.32 × 48,304.80
  4. Step 4: Simplify right side
    86,541.60x = 5,768,961,111.94
  5. Step 5: Solve for x
    x = 5,768,961,111.94/86,541.60
  6. Step 6: Final answer
    x = 66,661.13

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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.