Home / 70,605.02-105,902.64-33,112.58

Finding the Fourth Proportional to 70,605.02, 105,902.64 and 33,112.58

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Solution

The fourth proportional to 70,605.02, 105,902.64 and 33,112.58 is: 49,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,605.02 : 105,902.64 = 33,112.58 : x
  2. Step 2: Convert to fraction form
    70,605.02/105,902.64 = 33,112.58/x
  3. Step 3: Cross multiply
    70,605.02x = 105,902.64 × 33,112.58
  4. Step 4: Simplify right side
    70,605.02x = 3,506,709,639.21
  5. Step 5: Solve for x
    x = 3,506,709,639.21/70,605.02
  6. Step 6: Final answer
    x = 49,666.58

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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.