Home / 123,433.47-170,336.93-69,718.32

Finding the Fourth Proportional to 123,433.47, 170,336.93 and 69,718.32

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Solution

The fourth proportional to 123,433.47, 170,336.93 and 69,718.32 is: 96,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,433.47 : 170,336.93 = 69,718.32 : x
  2. Step 2: Convert to fraction form
    123,433.47/170,336.93 = 69,718.32/x
  3. Step 3: Cross multiply
    123,433.47x = 170,336.93 × 69,718.32
  4. Step 4: Simplify right side
    123,433.47x = 11,875,604,244.97
  5. Step 5: Solve for x
    x = 11,875,604,244.97/123,433.47
  6. Step 6: Final answer
    x = 96,210.57

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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.