Home / 54,173.80-74,547.30-47,901.16

Finding the Fourth Proportional to 54,173.80, 74,547.30 and 47,901.16

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Solution

The fourth proportional to 54,173.80, 74,547.30 and 47,901.16 is: 65,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,173.80 : 74,547.30 = 47,901.16 : x
  2. Step 2: Convert to fraction form
    54,173.80/74,547.30 = 47,901.16/x
  3. Step 3: Cross multiply
    54,173.80x = 74,547.30 × 47,901.16
  4. Step 4: Simplify right side
    54,173.80x = 3,570,902,144.87
  5. Step 5: Solve for x
    x = 3,570,902,144.87/54,173.80
  6. Step 6: Final answer
    x = 65,915.67

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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.