Home / 91,329.12-137,071.44-35,964

Finding the Fourth Proportional to 91,329.12, 137,071.44 and 35,964

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Solution

The fourth proportional to 91,329.12, 137,071.44 and 35,964 is: 53,976.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,329.12 : 137,071.44 = 35,964 : x
  2. Step 2: Convert to fraction form
    91,329.12/137,071.44 = 35,964/x
  3. Step 3: Cross multiply
    91,329.12x = 137,071.44 × 35,964
  4. Step 4: Simplify right side
    91,329.12x = 4,929,637,268.16
  5. Step 5: Solve for x
    x = 4,929,637,268.16/91,329.12
  6. Step 6: Final answer
    x = 53,976.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.