Home / 97,880.46-135,084.50-54,867.24

Finding the Fourth Proportional to 97,880.46, 135,084.50 and 54,867.24

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Solution

The fourth proportional to 97,880.46, 135,084.50 and 54,867.24 is: 75,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,880.46 : 135,084.50 = 54,867.24 : x
  2. Step 2: Convert to fraction form
    97,880.46/135,084.50 = 54,867.24/x
  3. Step 3: Cross multiply
    97,880.46x = 135,084.50 × 54,867.24
  4. Step 4: Simplify right side
    97,880.46x = 7,411,713,681.78
  5. Step 5: Solve for x
    x = 7,411,713,681.78/97,880.46
  6. Step 6: Final answer
    x = 75,722.10

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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.