Home / 77,276.23-115,900.63-35,146.45

Finding the Fourth Proportional to 77,276.23, 115,900.63 and 35,146.45

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Solution

The fourth proportional to 77,276.23, 115,900.63 and 35,146.45 is: 52,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,276.23 : 115,900.63 = 35,146.45 : x
  2. Step 2: Convert to fraction form
    77,276.23/115,900.63 = 35,146.45/x
  3. Step 3: Cross multiply
    77,276.23x = 115,900.63 × 35,146.45
  4. Step 4: Simplify right side
    77,276.23x = 4,073,495,697.26
  5. Step 5: Solve for x
    x = 4,073,495,697.26/77,276.23
  6. Step 6: Final answer
    x = 52,713.44

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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.