Home / 93,418.16-129,057.44-61,229.16

Finding the Fourth Proportional to 93,418.16, 129,057.44 and 61,229.16

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Solution

The fourth proportional to 93,418.16, 129,057.44 and 61,229.16 is: 84,588.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,418.16 : 129,057.44 = 61,229.16 : x
  2. Step 2: Convert to fraction form
    93,418.16/129,057.44 = 61,229.16/x
  3. Step 3: Cross multiply
    93,418.16x = 129,057.44 × 61,229.16
  4. Step 4: Simplify right side
    93,418.16x = 7,902,078,642.95
  5. Step 5: Solve for x
    x = 7,902,078,642.95/93,418.16
  6. Step 6: Final answer
    x = 84,588.25

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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.