Home / 51,699.12-77,486.12-23,580.68

Finding the Fourth Proportional to 51,699.12, 77,486.12 and 23,580.68

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Solution

The fourth proportional to 51,699.12, 77,486.12 and 23,580.68 is: 35,342.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,699.12 : 77,486.12 = 23,580.68 : x
  2. Step 2: Convert to fraction form
    51,699.12/77,486.12 = 23,580.68/x
  3. Step 3: Cross multiply
    51,699.12x = 77,486.12 × 23,580.68
  4. Step 4: Simplify right side
    51,699.12x = 1,827,175,400.16
  5. Step 5: Solve for x
    x = 1,827,175,400.16/51,699.12
  6. Step 6: Final answer
    x = 35,342.49

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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.