Home / 74,202.10-102,434.37-42,364.85

Finding the Fourth Proportional to 74,202.10, 102,434.37 and 42,364.85

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Solution

The fourth proportional to 74,202.10, 102,434.37 and 42,364.85 is: 58,483.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,202.10 : 102,434.37 = 42,364.85 : x
  2. Step 2: Convert to fraction form
    74,202.10/102,434.37 = 42,364.85/x
  3. Step 3: Cross multiply
    74,202.10x = 102,434.37 × 42,364.85
  4. Step 4: Simplify right side
    74,202.10x = 4,339,616,719.89
  5. Step 5: Solve for x
    x = 4,339,616,719.89/74,202.10
  6. Step 6: Final answer
    x = 58,483.75

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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.