Home / 70,908.09-97,852.89-39,076.30

Finding the Fourth Proportional to 70,908.09, 97,852.89 and 39,076.30

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Solution

The fourth proportional to 70,908.09, 97,852.89 and 39,076.30 is: 53,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,908.09 : 97,852.89 = 39,076.30 : x
  2. Step 2: Convert to fraction form
    70,908.09/97,852.89 = 39,076.30/x
  3. Step 3: Cross multiply
    70,908.09x = 97,852.89 × 39,076.30
  4. Step 4: Simplify right side
    70,908.09x = 3,823,728,885.51
  5. Step 5: Solve for x
    x = 3,823,728,885.51/70,908.09
  6. Step 6: Final answer
    x = 53,925.14

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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.