Home / 89,275.25-133,842.87-46,477.28

Finding the Fourth Proportional to 89,275.25, 133,842.87 and 46,477.28

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Solution

The fourth proportional to 89,275.25, 133,842.87 and 46,477.28 is: 69,679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,275.25 : 133,842.87 = 46,477.28 : x
  2. Step 2: Convert to fraction form
    89,275.25/133,842.87 = 46,477.28/x
  3. Step 3: Cross multiply
    89,275.25x = 133,842.87 × 46,477.28
  4. Step 4: Simplify right side
    89,275.25x = 6,220,651,875.78
  5. Step 5: Solve for x
    x = 6,220,651,875.78/89,275.25
  6. Step 6: Final answer
    x = 69,679.47

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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.