Home / 70,678.37-106,017.69-17,370.38

Finding the Fourth Proportional to 70,678.37, 106,017.69 and 17,370.38

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Solution

The fourth proportional to 70,678.37, 106,017.69 and 17,370.38 is: 26,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,678.37 : 106,017.69 = 17,370.38 : x
  2. Step 2: Convert to fraction form
    70,678.37/106,017.69 = 17,370.38/x
  3. Step 3: Cross multiply
    70,678.37x = 106,017.69 × 17,370.38
  4. Step 4: Simplify right side
    70,678.37x = 1,841,567,562.02
  5. Step 5: Solve for x
    x = 1,841,567,562.02/70,678.37
  6. Step 6: Final answer
    x = 26,055.60

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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.