Home / 61,780.32-85,293.60-40,596.48

Finding the Fourth Proportional to 61,780.32, 85,293.60 and 40,596.48

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Solution

The fourth proportional to 61,780.32, 85,293.60 and 40,596.48 is: 56,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,780.32 : 85,293.60 = 40,596.48 : x
  2. Step 2: Convert to fraction form
    61,780.32/85,293.60 = 40,596.48/x
  3. Step 3: Cross multiply
    61,780.32x = 85,293.60 × 40,596.48
  4. Step 4: Simplify right side
    61,780.32x = 3,462,619,926.53
  5. Step 5: Solve for x
    x = 3,462,619,926.53/61,780.32
  6. Step 6: Final answer
    x = 56,047.30

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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.