Home / 67,420.96-93,003.60-47,307.85

Finding the Fourth Proportional to 67,420.96, 93,003.60 and 47,307.85

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Solution

The fourth proportional to 67,420.96, 93,003.60 and 47,307.85 is: 65,258.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,420.96 : 93,003.60 = 47,307.85 : x
  2. Step 2: Convert to fraction form
    67,420.96/93,003.60 = 47,307.85/x
  3. Step 3: Cross multiply
    67,420.96x = 93,003.60 × 47,307.85
  4. Step 4: Simplify right side
    67,420.96x = 4,399,800,358.26
  5. Step 5: Solve for x
    x = 4,399,800,358.26/67,420.96
  6. Step 6: Final answer
    x = 65,258.64

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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.