Home / 55,953.06-77,216.13-30,802.56

Finding the Fourth Proportional to 55,953.06, 77,216.13 and 30,802.56

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Solution

The fourth proportional to 55,953.06, 77,216.13 and 30,802.56 is: 42,508.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,953.06 : 77,216.13 = 30,802.56 : x
  2. Step 2: Convert to fraction form
    55,953.06/77,216.13 = 30,802.56/x
  3. Step 3: Cross multiply
    55,953.06x = 77,216.13 × 30,802.56
  4. Step 4: Simplify right side
    55,953.06x = 2,378,454,477.29
  5. Step 5: Solve for x
    x = 2,378,454,477.29/55,953.06
  6. Step 6: Final answer
    x = 42,508.03

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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.