Home / 104,538.75-144,265.23-56,792.14

Finding the Fourth Proportional to 104,538.75, 144,265.23 and 56,792.14

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Solution

The fourth proportional to 104,538.75, 144,265.23 and 56,792.14 is: 78,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,538.75 : 144,265.23 = 56,792.14 : x
  2. Step 2: Convert to fraction form
    104,538.75/144,265.23 = 56,792.14/x
  3. Step 3: Cross multiply
    104,538.75x = 144,265.23 × 56,792.14
  4. Step 4: Simplify right side
    104,538.75x = 8,193,130,618.90
  5. Step 5: Solve for x
    x = 8,193,130,618.90/104,538.75
  6. Step 6: Final answer
    x = 78,374.10

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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.