Home / 104,620.76-144,374.95-56,875.31

Finding the Fourth Proportional to 104,620.76, 144,374.95 and 56,875.31

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Solution

The fourth proportional to 104,620.76, 144,374.95 and 56,875.31 is: 78,487.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,620.76 : 144,374.95 = 56,875.31 : x
  2. Step 2: Convert to fraction form
    104,620.76/144,374.95 = 56,875.31/x
  3. Step 3: Cross multiply
    104,620.76x = 144,374.95 × 56,875.31
  4. Step 4: Simplify right side
    104,620.76x = 8,211,370,256.23
  5. Step 5: Solve for x
    x = 8,211,370,256.23/104,620.76
  6. Step 6: Final answer
    x = 78,487.00

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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.