Home / 104,403.83-144,077.67-56,657.16

Finding the Fourth Proportional to 104,403.83, 144,077.67 and 56,657.16

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Solution

The fourth proportional to 104,403.83, 144,077.67 and 56,657.16 is: 78,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,403.83 : 144,077.67 = 56,657.16 : x
  2. Step 2: Convert to fraction form
    104,403.83/144,077.67 = 56,657.16/x
  3. Step 3: Cross multiply
    104,403.83x = 144,077.67 × 56,657.16
  4. Step 4: Simplify right side
    104,403.83x = 8,163,031,601.62
  5. Step 5: Solve for x
    x = 8,163,031,601.62/104,403.83
  6. Step 6: Final answer
    x = 78,187.09

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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.