Home / 74,346.55-102,604.37-42,521.58

Finding the Fourth Proportional to 74,346.55, 102,604.37 and 42,521.58

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Solution

The fourth proportional to 74,346.55, 102,604.37 and 42,521.58 is: 58,683.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,346.55 : 102,604.37 = 42,521.58 : x
  2. Step 2: Convert to fraction form
    74,346.55/102,604.37 = 42,521.58/x
  3. Step 3: Cross multiply
    74,346.55x = 102,604.37 × 42,521.58
  4. Step 4: Simplify right side
    74,346.55x = 4,362,899,714.70
  5. Step 5: Solve for x
    x = 4,362,899,714.70/74,346.55
  6. Step 6: Final answer
    x = 58,683.29

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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.