Home / 104,376.80-144,040.56-56,630.24

Finding the Fourth Proportional to 104,376.80, 144,040.56 and 56,630.24

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Solution

The fourth proportional to 104,376.80, 144,040.56 and 56,630.24 is: 78,150.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,376.80 : 144,040.56 = 56,630.24 : x
  2. Step 2: Convert to fraction form
    104,376.80/144,040.56 = 56,630.24/x
  3. Step 3: Cross multiply
    104,376.80x = 144,040.56 × 56,630.24
  4. Step 4: Simplify right side
    104,376.80x = 8,157,051,482.53
  5. Step 5: Solve for x
    x = 8,157,051,482.53/104,376.80
  6. Step 6: Final answer
    x = 78,150.04

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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.