Home / 50,718.02-69,990.48-28,362.02

Finding the Fourth Proportional to 50,718.02, 69,990.48 and 28,362.02

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Solution

The fourth proportional to 50,718.02, 69,990.48 and 28,362.02 is: 39,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,718.02 : 69,990.48 = 28,362.02 : x
  2. Step 2: Convert to fraction form
    50,718.02/69,990.48 = 28,362.02/x
  3. Step 3: Cross multiply
    50,718.02x = 69,990.48 × 28,362.02
  4. Step 4: Simplify right side
    50,718.02x = 1,985,071,393.57
  5. Step 5: Solve for x
    x = 1,985,071,393.57/50,718.02
  6. Step 6: Final answer
    x = 39,139.37

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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.