Home / 55,989.70-77,263.47-30,496.16

Finding the Fourth Proportional to 55,989.70, 77,263.47 and 30,496.16

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Solution

The fourth proportional to 55,989.70, 77,263.47 and 30,496.16 is: 42,083.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,989.70 : 77,263.47 = 30,496.16 : x
  2. Step 2: Convert to fraction form
    55,989.70/77,263.47 = 30,496.16/x
  3. Step 3: Cross multiply
    55,989.70x = 77,263.47 × 30,496.16
  4. Step 4: Simplify right side
    55,989.70x = 2,356,239,336.43
  5. Step 5: Solve for x
    x = 2,356,239,336.43/55,989.70
  6. Step 6: Final answer
    x = 42,083.44

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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.