Home / 55,888.56-77,127.66-30,396.51

Finding the Fourth Proportional to 55,888.56, 77,127.66 and 30,396.51

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Solution

The fourth proportional to 55,888.56, 77,127.66 and 30,396.51 is: 41,947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,888.56 : 77,127.66 = 30,396.51 : x
  2. Step 2: Convert to fraction form
    55,888.56/77,127.66 = 30,396.51/x
  3. Step 3: Cross multiply
    55,888.56x = 77,127.66 × 30,396.51
  4. Step 4: Simplify right side
    55,888.56x = 2,344,411,688.47
  5. Step 5: Solve for x
    x = 2,344,411,688.47/55,888.56
  6. Step 6: Final answer
    x = 41,947.97

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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.