Home / 56,116.14-77,439.83-30,621.93

Finding the Fourth Proportional to 56,116.14, 77,439.83 and 30,621.93

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Solution

The fourth proportional to 56,116.14, 77,439.83 and 30,621.93 is: 42,258.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,116.14 : 77,439.83 = 30,621.93 : x
  2. Step 2: Convert to fraction form
    56,116.14/77,439.83 = 30,621.93/x
  3. Step 3: Cross multiply
    56,116.14x = 77,439.83 × 30,621.93
  4. Step 4: Simplify right side
    56,116.14x = 2,371,356,900.36
  5. Step 5: Solve for x
    x = 2,371,356,900.36/56,116.14
  6. Step 6: Final answer
    x = 42,258.02

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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.