Home / 70,869.36-97,795.32-39,036.48

Finding the Fourth Proportional to 70,869.36, 97,795.32 and 39,036.48

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Solution

The fourth proportional to 70,869.36, 97,795.32 and 39,036.48 is: 53,867.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,869.36 : 97,795.32 = 39,036.48 : x
  2. Step 2: Convert to fraction form
    70,869.36/97,795.32 = 39,036.48/x
  3. Step 3: Cross multiply
    70,869.36x = 97,795.32 × 39,036.48
  4. Step 4: Simplify right side
    70,869.36x = 3,817,585,053.27
  5. Step 5: Solve for x
    x = 3,817,585,053.27/70,869.36
  6. Step 6: Final answer
    x = 53,867.92

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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.