Home / 104,644.12-144,408.13-56,897.50

Finding the Fourth Proportional to 104,644.12, 144,408.13 and 56,897.50

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Solution

The fourth proportional to 104,644.12, 144,408.13 and 56,897.50 is: 78,518.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,644.12 : 144,408.13 = 56,897.50 : x
  2. Step 2: Convert to fraction form
    104,644.12/144,408.13 = 56,897.50/x
  3. Step 3: Cross multiply
    104,644.12x = 144,408.13 × 56,897.50
  4. Step 4: Simplify right side
    104,644.12x = 8,216,461,576.68
  5. Step 5: Solve for x
    x = 8,216,461,576.68/104,644.12
  6. Step 6: Final answer
    x = 78,518.14

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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.