Home / 104,437.11-144,123.33-56,690.45

Finding the Fourth Proportional to 104,437.11, 144,123.33 and 56,690.45

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Solution

The fourth proportional to 104,437.11, 144,123.33 and 56,690.45 is: 78,232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,437.11 : 144,123.33 = 56,690.45 : x
  2. Step 2: Convert to fraction form
    104,437.11/144,123.33 = 56,690.45/x
  3. Step 3: Cross multiply
    104,437.11x = 144,123.33 × 56,690.45
  4. Step 4: Simplify right side
    104,437.11x = 8,170,416,465.63
  5. Step 5: Solve for x
    x = 8,170,416,465.63/104,437.11
  6. Step 6: Final answer
    x = 78,232.88

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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.