Home / 65,975.40-98,973.90-36,421.74

Finding the Fourth Proportional to 65,975.40, 98,973.90 and 36,421.74

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Solution

The fourth proportional to 65,975.40, 98,973.90 and 36,421.74 is: 54,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,975.40 : 98,973.90 = 36,421.74 : x
  2. Step 2: Convert to fraction form
    65,975.40/98,973.90 = 36,421.74/x
  3. Step 3: Cross multiply
    65,975.40x = 98,973.90 × 36,421.74
  4. Step 4: Simplify right side
    65,975.40x = 3,604,801,652.59
  5. Step 5: Solve for x
    x = 3,604,801,652.59/65,975.40
  6. Step 6: Final answer
    x = 54,638.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.