Home / 104,312.76-143,951.40-56,565.96

Finding the Fourth Proportional to 104,312.76, 143,951.40 and 56,565.96

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Solution

The fourth proportional to 104,312.76, 143,951.40 and 56,565.96 is: 78,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,312.76 : 143,951.40 = 56,565.96 : x
  2. Step 2: Convert to fraction form
    104,312.76/143,951.40 = 56,565.96/x
  3. Step 3: Cross multiply
    104,312.76x = 143,951.40 × 56,565.96
  4. Step 4: Simplify right side
    104,312.76x = 8,142,749,134.34
  5. Step 5: Solve for x
    x = 8,142,749,134.34/104,312.76
  6. Step 6: Final answer
    x = 78,060.91

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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.