Home / 51,720.16-77,580.30-16,665.04

Finding the Fourth Proportional to 51,720.16, 77,580.30 and 16,665.04

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Solution

The fourth proportional to 51,720.16, 77,580.30 and 16,665.04 is: 24,997.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,720.16 : 77,580.30 = 16,665.04 : x
  2. Step 2: Convert to fraction form
    51,720.16/77,580.30 = 16,665.04/x
  3. Step 3: Cross multiply
    51,720.16x = 77,580.30 × 16,665.04
  4. Step 4: Simplify right side
    51,720.16x = 1,292,878,802.71
  5. Step 5: Solve for x
    x = 1,292,878,802.71/51,720.16
  6. Step 6: Final answer
    x = 24,997.58

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1.5x scale

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.