Home / 74,201.60-102,433.67-42,364.35

Finding the Fourth Proportional to 74,201.60, 102,433.67 and 42,364.35

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Solution

The fourth proportional to 74,201.60, 102,433.67 and 42,364.35 is: 58,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,201.60 : 102,433.67 = 42,364.35 : x
  2. Step 2: Convert to fraction form
    74,201.60/102,433.67 = 42,364.35/x
  3. Step 3: Cross multiply
    74,201.60x = 102,433.67 × 42,364.35
  4. Step 4: Simplify right side
    74,201.60x = 4,339,535,847.66
  5. Step 5: Solve for x
    x = 4,339,535,847.66/74,201.60
  6. Step 6: Final answer
    x = 58,483.05

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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.