Home / 104,404.64-144,079.46-56,658.40

Finding the Fourth Proportional to 104,404.64, 144,079.46 and 56,658.40

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Solution

The fourth proportional to 104,404.64, 144,079.46 and 56,658.40 is: 78,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,404.64 : 144,079.46 = 56,658.40 : x
  2. Step 2: Convert to fraction form
    104,404.64/144,079.46 = 56,658.40/x
  3. Step 3: Cross multiply
    104,404.64x = 144,079.46 × 56,658.40
  4. Step 4: Simplify right side
    104,404.64x = 8,163,311,676.46
  5. Step 5: Solve for x
    x = 8,163,311,676.46/104,404.64
  6. Step 6: Final answer
    x = 78,189.17

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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.