Home / 55,988.27-77,263.81-30,837.77

Finding the Fourth Proportional to 55,988.27, 77,263.81 and 30,837.77

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Solution

The fourth proportional to 55,988.27, 77,263.81 and 30,837.77 is: 42,556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,988.27 : 77,263.81 = 30,837.77 : x
  2. Step 2: Convert to fraction form
    55,988.27/77,263.81 = 30,837.77/x
  3. Step 3: Cross multiply
    55,988.27x = 77,263.81 × 30,837.77
  4. Step 4: Simplify right side
    55,988.27x = 2,382,643,602.10
  5. Step 5: Solve for x
    x = 2,382,643,602.10/55,988.27
  6. Step 6: Final answer
    x = 42,556.12

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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.