Home / 104,587.35-144,331.66-56,840.70

Finding the Fourth Proportional to 104,587.35, 144,331.66 and 56,840.70

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Solution

The fourth proportional to 104,587.35, 144,331.66 and 56,840.70 is: 78,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,587.35 : 144,331.66 = 56,840.70 : x
  2. Step 2: Convert to fraction form
    104,587.35/144,331.66 = 56,840.70/x
  3. Step 3: Cross multiply
    104,587.35x = 144,331.66 × 56,840.70
  4. Step 4: Simplify right side
    104,587.35x = 8,203,912,657.61
  5. Step 5: Solve for x
    x = 8,203,912,657.61/104,587.35
  6. Step 6: Final answer
    x = 78,440.77

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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.