Home / 104,677.40-144,453.60-56,929.70

Finding the Fourth Proportional to 104,677.40, 144,453.60 and 56,929.70

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Solution

The fourth proportional to 104,677.40, 144,453.60 and 56,929.70 is: 78,562.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,677.40 : 144,453.60 = 56,929.70 : x
  2. Step 2: Convert to fraction form
    104,677.40/144,453.60 = 56,929.70/x
  3. Step 3: Cross multiply
    104,677.40x = 144,453.60 × 56,929.70
  4. Step 4: Simplify right side
    104,677.40x = 8,223,700,111.92
  5. Step 5: Solve for x
    x = 8,223,700,111.92/104,677.40
  6. Step 6: Final answer
    x = 78,562.33

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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.