Home / 70,076.06-96,707.63-39,864.14

Finding the Fourth Proportional to 70,076.06, 96,707.63 and 39,864.14

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Solution

The fourth proportional to 70,076.06, 96,707.63 and 39,864.14 is: 55,014.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,076.06 : 96,707.63 = 39,864.14 : x
  2. Step 2: Convert to fraction form
    70,076.06/96,707.63 = 39,864.14/x
  3. Step 3: Cross multiply
    70,076.06x = 96,707.63 × 39,864.14
  4. Step 4: Simplify right side
    70,076.06x = 3,855,166,842.82
  5. Step 5: Solve for x
    x = 3,855,166,842.82/70,076.06
  6. Step 6: Final answer
    x = 55,014.03

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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.