Home / 74,073.04-102,200.54-42,230.32

Finding the Fourth Proportional to 74,073.04, 102,200.54 and 42,230.32

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Solution

The fourth proportional to 74,073.04, 102,200.54 and 42,230.32 is: 58,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,073.04 : 102,200.54 = 42,230.32 : x
  2. Step 2: Convert to fraction form
    74,073.04/102,200.54 = 42,230.32/x
  3. Step 3: Cross multiply
    74,073.04x = 102,200.54 × 42,230.32
  4. Step 4: Simplify right side
    74,073.04x = 4,315,961,508.37
  5. Step 5: Solve for x
    x = 4,315,961,508.37/74,073.04
  6. Step 6: Final answer
    x = 58,266.29

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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.