Home / 81,527.41-112,484.70-47,537.33

Finding the Fourth Proportional to 81,527.41, 112,484.70 and 47,537.33

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Solution

The fourth proportional to 81,527.41, 112,484.70 and 47,537.33 is: 65,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,527.41 : 112,484.70 = 47,537.33 : x
  2. Step 2: Convert to fraction form
    81,527.41/112,484.70 = 47,537.33/x
  3. Step 3: Cross multiply
    81,527.41x = 112,484.70 × 47,537.33
  4. Step 4: Simplify right side
    81,527.41x = 5,347,222,374.15
  5. Step 5: Solve for x
    x = 5,347,222,374.15/81,527.41
  6. Step 6: Final answer
    x = 65,588.03

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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.