Home / 104,420.32-144,100.18-56,673.66

Finding the Fourth Proportional to 104,420.32, 144,100.18 and 56,673.66

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Solution

The fourth proportional to 104,420.32, 144,100.18 and 56,673.66 is: 78,209.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,420.32 : 144,100.18 = 56,673.66 : x
  2. Step 2: Convert to fraction form
    104,420.32/144,100.18 = 56,673.66/x
  3. Step 3: Cross multiply
    104,420.32x = 144,100.18 × 56,673.66
  4. Step 4: Simplify right side
    104,420.32x = 8,166,684,607.26
  5. Step 5: Solve for x
    x = 8,166,684,607.26/104,420.32
  6. Step 6: Final answer
    x = 78,209.73

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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.