Home / 103,727.04-143,144.16-59,017.92

Finding the Fourth Proportional to 103,727.04, 143,144.16 and 59,017.92

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Solution

The fourth proportional to 103,727.04, 143,144.16 and 59,017.92 is: 81,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,727.04 : 143,144.16 = 59,017.92 : x
  2. Step 2: Convert to fraction form
    103,727.04/143,144.16 = 59,017.92/x
  3. Step 3: Cross multiply
    103,727.04x = 143,144.16 × 59,017.92
  4. Step 4: Simplify right side
    103,727.04x = 8,448,070,583.35
  5. Step 5: Solve for x
    x = 8,448,070,583.35/103,727.04
  6. Step 6: Final answer
    x = 81,445.21

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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.