Home / 89,192.04-123,084-51,465.48

Finding the Fourth Proportional to 89,192.04, 123,084 and 51,465.48

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Solution

The fourth proportional to 89,192.04, 123,084 and 51,465.48 is: 71,021.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,192.04 : 123,084 = 51,465.48 : x
  2. Step 2: Convert to fraction form
    89,192.04/123,084 = 51,465.48/x
  3. Step 3: Cross multiply
    89,192.04x = 123,084 × 51,465.48
  4. Step 4: Simplify right side
    89,192.04x = 6,334,577,140.32
  5. Step 5: Solve for x
    x = 6,334,577,140.32/89,192.04
  6. Step 6: Final answer
    x = 71,021.78

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1.5x scale

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.