Home / 104,436.88-144,123.05-56,690.26

Finding the Fourth Proportional to 104,436.88, 144,123.05 and 56,690.26

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Solution

The fourth proportional to 104,436.88, 144,123.05 and 56,690.26 is: 78,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,436.88 : 144,123.05 = 56,690.26 : x
  2. Step 2: Convert to fraction form
    104,436.88/144,123.05 = 56,690.26/x
  3. Step 3: Cross multiply
    104,436.88x = 144,123.05 × 56,690.26
  4. Step 4: Simplify right side
    104,436.88x = 8,170,372,957.91
  5. Step 5: Solve for x
    x = 8,170,372,957.91/104,436.88
  6. Step 6: Final answer
    x = 78,232.64

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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.