Home / 51,666.30-77,547.96-25,389.90

Finding the Fourth Proportional to 51,666.30, 77,547.96 and 25,389.90

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Solution

The fourth proportional to 51,666.30, 77,547.96 and 25,389.90 is: 38,108.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,666.30 : 77,547.96 = 25,389.90 : x
  2. Step 2: Convert to fraction form
    51,666.30/77,547.96 = 25,389.90/x
  3. Step 3: Cross multiply
    51,666.30x = 77,547.96 × 25,389.90
  4. Step 4: Simplify right side
    51,666.30x = 1,968,934,949.60
  5. Step 5: Solve for x
    x = 1,968,934,949.60/51,666.30
  6. Step 6: Final answer
    x = 38,108.69

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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.