Home / 92,669.98-138,955-49,998.28

Finding the Fourth Proportional to 92,669.98, 138,955 and 49,998.28

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Solution

The fourth proportional to 92,669.98, 138,955 and 49,998.28 is: 74,970.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,669.98 : 138,955 = 49,998.28 : x
  2. Step 2: Convert to fraction form
    92,669.98/138,955 = 49,998.28/x
  3. Step 3: Cross multiply
    92,669.98x = 138,955 × 49,998.28
  4. Step 4: Simplify right side
    92,669.98x = 6,947,510,997.40
  5. Step 5: Solve for x
    x = 6,947,510,997.40/92,669.98
  6. Step 6: Final answer
    x = 74,970.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.