Home / 61,783.28-85,166.52-37,865.60

Finding the Fourth Proportional to 61,783.28, 85,166.52 and 37,865.60

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Solution

The fourth proportional to 61,783.28, 85,166.52 and 37,865.60 is: 52,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,783.28 : 85,166.52 = 37,865.60 : x
  2. Step 2: Convert to fraction form
    61,783.28/85,166.52 = 37,865.60/x
  3. Step 3: Cross multiply
    61,783.28x = 85,166.52 × 37,865.60
  4. Step 4: Simplify right side
    61,783.28x = 3,224,881,379.71
  5. Step 5: Solve for x
    x = 3,224,881,379.71/61,783.28
  6. Step 6: Final answer
    x = 52,196.67

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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.