Home / 71,772.98-98,944.07-50,486.18

Finding the Fourth Proportional to 71,772.98, 98,944.07 and 50,486.18

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Solution

The fourth proportional to 71,772.98, 98,944.07 and 50,486.18 is: 69,598.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,772.98 : 98,944.07 = 50,486.18 : x
  2. Step 2: Convert to fraction form
    71,772.98/98,944.07 = 50,486.18/x
  3. Step 3: Cross multiply
    71,772.98x = 98,944.07 × 50,486.18
  4. Step 4: Simplify right side
    71,772.98x = 4,995,307,875.52
  5. Step 5: Solve for x
    x = 4,995,307,875.52/71,772.98
  6. Step 6: Final answer
    x = 69,598.72

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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.