Home / 62,584.64-93,869.08-20,461.20

Finding the Fourth Proportional to 62,584.64, 93,869.08 and 20,461.20

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Solution

The fourth proportional to 62,584.64, 93,869.08 and 20,461.20 is: 30,689.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,584.64 : 93,869.08 = 20,461.20 : x
  2. Step 2: Convert to fraction form
    62,584.64/93,869.08 = 20,461.20/x
  3. Step 3: Cross multiply
    62,584.64x = 93,869.08 × 20,461.20
  4. Step 4: Simplify right side
    62,584.64x = 1,920,674,019.70
  5. Step 5: Solve for x
    x = 1,920,674,019.70/62,584.64
  6. Step 6: Final answer
    x = 30,689.22

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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.