Home / 76,933.17-106,173.11-42,948.34

Finding the Fourth Proportional to 76,933.17, 106,173.11 and 42,948.34

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Solution

The fourth proportional to 76,933.17, 106,173.11 and 42,948.34 is: 59,271.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,933.17 : 106,173.11 = 42,948.34 : x
  2. Step 2: Convert to fraction form
    76,933.17/106,173.11 = 42,948.34/x
  3. Step 3: Cross multiply
    76,933.17x = 106,173.11 × 42,948.34
  4. Step 4: Simplify right side
    76,933.17x = 4,559,958,669.08
  5. Step 5: Solve for x
    x = 4,559,958,669.08/76,933.17
  6. Step 6: Final answer
    x = 59,271.69

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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.