Home / 104,529.32-144,251.54-56,783.60

Finding the Fourth Proportional to 104,529.32, 144,251.54 and 56,783.60

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Solution

The fourth proportional to 104,529.32, 144,251.54 and 56,783.60 is: 78,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,529.32 : 144,251.54 = 56,783.60 : x
  2. Step 2: Convert to fraction form
    104,529.32/144,251.54 = 56,783.60/x
  3. Step 3: Cross multiply
    104,529.32x = 144,251.54 × 56,783.60
  4. Step 4: Simplify right side
    104,529.32x = 8,191,121,746.74
  5. Step 5: Solve for x
    x = 8,191,121,746.74/104,529.32
  6. Step 6: Final answer
    x = 78,361.95

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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.