Home / 104,728.13-144,513.88-59,391.62

Finding the Fourth Proportional to 104,728.13, 144,513.88 and 59,391.62

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Solution

The fourth proportional to 104,728.13, 144,513.88 and 59,391.62 is: 81,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,728.13 : 144,513.88 = 59,391.62 : x
  2. Step 2: Convert to fraction form
    104,728.13/144,513.88 = 59,391.62/x
  3. Step 3: Cross multiply
    104,728.13x = 144,513.88 × 59,391.62
  4. Step 4: Simplify right side
    104,728.13x = 8,582,913,445.69
  5. Step 5: Solve for x
    x = 8,582,913,445.69/104,728.13
  6. Step 6: Final answer
    x = 81,954.23

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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.