Home / 56,283.07-77,637.40-39,028.54

Finding the Fourth Proportional to 56,283.07, 77,637.40 and 39,028.54

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Solution

The fourth proportional to 56,283.07, 77,637.40 and 39,028.54 is: 53,836.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,283.07 : 77,637.40 = 39,028.54 : x
  2. Step 2: Convert to fraction form
    56,283.07/77,637.40 = 39,028.54/x
  3. Step 3: Cross multiply
    56,283.07x = 77,637.40 × 39,028.54
  4. Step 4: Simplify right side
    56,283.07x = 3,030,074,371.40
  5. Step 5: Solve for x
    x = 3,030,074,371.40/56,283.07
  6. Step 6: Final answer
    x = 53,836.34

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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.