Home / 77,303.08-106,680.90-45,035.56

Finding the Fourth Proportional to 77,303.08, 106,680.90 and 45,035.56

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Solution

The fourth proportional to 77,303.08, 106,680.90 and 45,035.56 is: 62,150.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,303.08 : 106,680.90 = 45,035.56 : x
  2. Step 2: Convert to fraction form
    77,303.08/106,680.90 = 45,035.56/x
  3. Step 3: Cross multiply
    77,303.08x = 106,680.90 × 45,035.56
  4. Step 4: Simplify right side
    77,303.08x = 4,804,434,072.80
  5. Step 5: Solve for x
    x = 4,804,434,072.80/77,303.08
  6. Step 6: Final answer
    x = 62,150.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.