Home / 61,637.85-85,062.65-36,140.67

Finding the Fourth Proportional to 61,637.85, 85,062.65 and 36,140.67

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Solution

The fourth proportional to 61,637.85, 85,062.65 and 36,140.67 is: 49,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,637.85 : 85,062.65 = 36,140.67 : x
  2. Step 2: Convert to fraction form
    61,637.85/85,062.65 = 36,140.67/x
  3. Step 3: Cross multiply
    61,637.85x = 85,062.65 × 36,140.67
  4. Step 4: Simplify right side
    61,637.85x = 3,074,220,982.27
  5. Step 5: Solve for x
    x = 3,074,220,982.27/61,637.85
  6. Step 6: Final answer
    x = 49,875.54

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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.