Home / 85,938.34-118,595.82-47,698.60

Finding the Fourth Proportional to 85,938.34, 118,595.82 and 47,698.60

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Solution

The fourth proportional to 85,938.34, 118,595.82 and 47,698.60 is: 65,824.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,938.34 : 118,595.82 = 47,698.60 : x
  2. Step 2: Convert to fraction form
    85,938.34/118,595.82 = 47,698.60/x
  3. Step 3: Cross multiply
    85,938.34x = 118,595.82 × 47,698.60
  4. Step 4: Simplify right side
    85,938.34x = 5,656,854,579.85
  5. Step 5: Solve for x
    x = 5,656,854,579.85/85,938.34
  6. Step 6: Final answer
    x = 65,824.57

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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.