Home / 70,701.09-97,566.62-38,869.71

Finding the Fourth Proportional to 70,701.09, 97,566.62 and 38,869.71

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Solution

The fourth proportional to 70,701.09, 97,566.62 and 38,869.71 is: 53,639.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,701.09 : 97,566.62 = 38,869.71 : x
  2. Step 2: Convert to fraction form
    70,701.09/97,566.62 = 38,869.71/x
  3. Step 3: Cross multiply
    70,701.09x = 97,566.62 × 38,869.71
  4. Step 4: Simplify right side
    70,701.09x = 3,792,386,225.08
  5. Step 5: Solve for x
    x = 3,792,386,225.08/70,701.09
  6. Step 6: Final answer
    x = 53,639.71

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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.