Home / 83,719.84-125,477.60-46,278.40

Finding the Fourth Proportional to 83,719.84, 125,477.60 and 46,278.40

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Solution

The fourth proportional to 83,719.84, 125,477.60 and 46,278.40 is: 69,361.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,719.84 : 125,477.60 = 46,278.40 : x
  2. Step 2: Convert to fraction form
    83,719.84/125,477.60 = 46,278.40/x
  3. Step 3: Cross multiply
    83,719.84x = 125,477.60 × 46,278.40
  4. Step 4: Simplify right side
    83,719.84x = 5,806,902,563.84
  5. Step 5: Solve for x
    x = 5,806,902,563.84/83,719.84
  6. Step 6: Final answer
    x = 69,361.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.