Home / 104,051.20-143,591.52-61,056.40

Finding the Fourth Proportional to 104,051.20, 143,591.52 and 61,056.40

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Solution

The fourth proportional to 104,051.20, 143,591.52 and 61,056.40 is: 84,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,051.20 : 143,591.52 = 61,056.40 : x
  2. Step 2: Convert to fraction form
    104,051.20/143,591.52 = 61,056.40/x
  3. Step 3: Cross multiply
    104,051.20x = 143,591.52 × 61,056.40
  4. Step 4: Simplify right side
    104,051.20x = 8,767,181,281.73
  5. Step 5: Solve for x
    x = 8,767,181,281.73/104,051.20
  6. Step 6: Final answer
    x = 84,258.34

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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.