Home / 56,752.96-78,319.92-32,881.36

Finding the Fourth Proportional to 56,752.96, 78,319.92 and 32,881.36

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Solution

The fourth proportional to 56,752.96, 78,319.92 and 32,881.36 is: 45,376.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,752.96 : 78,319.92 = 32,881.36 : x
  2. Step 2: Convert to fraction form
    56,752.96/78,319.92 = 32,881.36/x
  3. Step 3: Cross multiply
    56,752.96x = 78,319.92 × 32,881.36
  4. Step 4: Simplify right side
    56,752.96x = 2,575,265,484.69
  5. Step 5: Solve for x
    x = 2,575,265,484.69/56,752.96
  6. Step 6: Final answer
    x = 45,376.76

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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.