Home / 70,698.17-97,563.81-38,869.13

Finding the Fourth Proportional to 70,698.17, 97,563.81 and 38,869.13

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Solution

The fourth proportional to 70,698.17, 97,563.81 and 38,869.13 is: 53,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,698.17 : 97,563.81 = 38,869.13 : x
  2. Step 2: Convert to fraction form
    70,698.17/97,563.81 = 38,869.13/x
  3. Step 3: Cross multiply
    70,698.17x = 97,563.81 × 38,869.13
  4. Step 4: Simplify right side
    70,698.17x = 3,792,219,926.37
  5. Step 5: Solve for x
    x = 3,792,219,926.37/70,698.17
  6. Step 6: Final answer
    x = 53,639.58

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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.