Home / 56,935.68-78,531.72-39,032.28

Finding the Fourth Proportional to 56,935.68, 78,531.72 and 39,032.28

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Solution

The fourth proportional to 56,935.68, 78,531.72 and 39,032.28 is: 53,837.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935.68 : 78,531.72 = 39,032.28 : x
  2. Step 2: Convert to fraction form
    56,935.68/78,531.72 = 39,032.28/x
  3. Step 3: Cross multiply
    56,935.68x = 78,531.72 × 39,032.28
  4. Step 4: Simplify right side
    56,935.68x = 3,065,272,083.92
  5. Step 5: Solve for x
    x = 3,065,272,083.92/56,935.68
  6. Step 6: Final answer
    x = 53,837.45

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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.