Home / 98,038.54-135,297.03-55,605.34

Finding the Fourth Proportional to 98,038.54, 135,297.03 and 55,605.34

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Solution

The fourth proportional to 98,038.54, 135,297.03 and 55,605.34 is: 76,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,038.54 : 135,297.03 = 55,605.34 : x
  2. Step 2: Convert to fraction form
    98,038.54/135,297.03 = 55,605.34/x
  3. Step 3: Cross multiply
    98,038.54x = 135,297.03 × 55,605.34
  4. Step 4: Simplify right side
    98,038.54x = 7,523,237,354.14
  5. Step 5: Solve for x
    x = 7,523,237,354.14/98,038.54
  6. Step 6: Final answer
    x = 76,737.55

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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.