Home / 103,847.04-143,322.72-58,533.60

Finding the Fourth Proportional to 103,847.04, 143,322.72 and 58,533.60

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Solution

The fourth proportional to 103,847.04, 143,322.72 and 58,533.60 is: 80,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,847.04 : 143,322.72 = 58,533.60 : x
  2. Step 2: Convert to fraction form
    103,847.04/143,322.72 = 58,533.60/x
  3. Step 3: Cross multiply
    103,847.04x = 143,322.72 × 58,533.60
  4. Step 4: Simplify right side
    103,847.04x = 8,389,194,763.39
  5. Step 5: Solve for x
    x = 8,389,194,763.39/103,847.04
  6. Step 6: Final answer
    x = 80,784.15

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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.