Home / 56,821.93-78,368.22-50,001.23

Finding the Fourth Proportional to 56,821.93, 78,368.22 and 50,001.23

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Solution

The fourth proportional to 56,821.93, 78,368.22 and 50,001.23 is: 68,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,821.93 : 78,368.22 = 50,001.23 : x
  2. Step 2: Convert to fraction form
    56,821.93/78,368.22 = 50,001.23/x
  3. Step 3: Cross multiply
    56,821.93x = 78,368.22 × 50,001.23
  4. Step 4: Simplify right side
    56,821.93x = 3,918,507,588.83
  5. Step 5: Solve for x
    x = 3,918,507,588.83/56,821.93
  6. Step 6: Final answer
    x = 68,961.19

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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.