Home / 56,615.80-78,134.16-33,955.66

Finding the Fourth Proportional to 56,615.80, 78,134.16 and 33,955.66

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Solution

The fourth proportional to 56,615.80, 78,134.16 and 33,955.66 is: 46,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,615.80 : 78,134.16 = 33,955.66 : x
  2. Step 2: Convert to fraction form
    56,615.80/78,134.16 = 33,955.66/x
  3. Step 3: Cross multiply
    56,615.80x = 78,134.16 × 33,955.66
  4. Step 4: Simplify right side
    56,615.80x = 2,653,096,971.35
  5. Step 5: Solve for x
    x = 2,653,096,971.35/56,615.80
  6. Step 6: Final answer
    x = 46,861.42

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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.