Home / 77,254.21-115,899.38-23,943.40

Finding the Fourth Proportional to 77,254.21, 115,899.38 and 23,943.40

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Solution

The fourth proportional to 77,254.21, 115,899.38 and 23,943.40 is: 35,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,254.21 : 115,899.38 = 23,943.40 : x
  2. Step 2: Convert to fraction form
    77,254.21/115,899.38 = 23,943.40/x
  3. Step 3: Cross multiply
    77,254.21x = 115,899.38 × 23,943.40
  4. Step 4: Simplify right side
    77,254.21x = 2,775,024,962.76
  5. Step 5: Solve for x
    x = 2,775,024,962.76/77,254.21
  6. Step 6: Final answer
    x = 35,920.70

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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.