Home / 89,023.03-122,854.56-48,740.54

Finding the Fourth Proportional to 89,023.03, 122,854.56 and 48,740.54

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Solution

The fourth proportional to 89,023.03, 122,854.56 and 48,740.54 is: 67,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,023.03 : 122,854.56 = 48,740.54 : x
  2. Step 2: Convert to fraction form
    89,023.03/122,854.56 = 48,740.54/x
  3. Step 3: Cross multiply
    89,023.03x = 122,854.56 × 48,740.54
  4. Step 4: Simplify right side
    89,023.03x = 5,987,996,798.81
  5. Step 5: Solve for x
    x = 5,987,996,798.81/89,023.03
  6. Step 6: Final answer
    x = 67,263.46

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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.