Home / 69,981.19-96,570.40-39,762.32

Finding the Fourth Proportional to 69,981.19, 96,570.40 and 39,762.32

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Solution

The fourth proportional to 69,981.19, 96,570.40 and 39,762.32 is: 54,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,981.19 : 96,570.40 = 39,762.32 : x
  2. Step 2: Convert to fraction form
    69,981.19/96,570.40 = 39,762.32/x
  3. Step 3: Cross multiply
    69,981.19x = 96,570.40 × 39,762.32
  4. Step 4: Simplify right side
    69,981.19x = 3,839,863,023.06
  5. Step 5: Solve for x
    x = 3,839,863,023.06/69,981.19
  6. Step 6: Final answer
    x = 54,869.93

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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.