Home / 104,620.58-144,374.69-56,875.13

Finding the Fourth Proportional to 104,620.58, 144,374.69 and 56,875.13

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Solution

The fourth proportional to 104,620.58, 144,374.69 and 56,875.13 is: 78,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,620.58 : 144,374.69 = 56,875.13 : x
  2. Step 2: Convert to fraction form
    104,620.58/144,374.69 = 56,875.13/x
  3. Step 3: Cross multiply
    104,620.58x = 144,374.69 × 56,875.13
  4. Step 4: Simplify right side
    104,620.58x = 8,211,329,262.46
  5. Step 5: Solve for x
    x = 8,211,329,262.46/104,620.58
  6. Step 6: Final answer
    x = 78,486.75

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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.