Home / 89,030.48-122,865.48-48,741.68

Finding the Fourth Proportional to 89,030.48, 122,865.48 and 48,741.68

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Solution

The fourth proportional to 89,030.48, 122,865.48 and 48,741.68 is: 67,265.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,030.48 : 122,865.48 = 48,741.68 : x
  2. Step 2: Convert to fraction form
    89,030.48/122,865.48 = 48,741.68/x
  3. Step 3: Cross multiply
    89,030.48x = 122,865.48 × 48,741.68
  4. Step 4: Simplify right side
    89,030.48x = 5,988,669,909.21
  5. Step 5: Solve for x
    x = 5,988,669,909.21/89,030.48
  6. Step 6: Final answer
    x = 67,265.39

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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.