Home / 102,539.40-153,809.10-62,968.20

Finding the Fourth Proportional to 102,539.40, 153,809.10 and 62,968.20

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Solution

The fourth proportional to 102,539.40, 153,809.10 and 62,968.20 is: 94,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,539.40 : 153,809.10 = 62,968.20 : x
  2. Step 2: Convert to fraction form
    102,539.40/153,809.10 = 62,968.20/x
  3. Step 3: Cross multiply
    102,539.40x = 153,809.10 × 62,968.20
  4. Step 4: Simplify right side
    102,539.40x = 9,685,082,170.62
  5. Step 5: Solve for x
    x = 9,685,082,170.62/102,539.40
  6. Step 6: Final answer
    x = 94,452.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.