Home / 89,693.56-134,501.46-30,513.34

Finding the Fourth Proportional to 89,693.56, 134,501.46 and 30,513.34

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Solution

The fourth proportional to 89,693.56, 134,501.46 and 30,513.34 is: 45,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,693.56 : 134,501.46 = 30,513.34 : x
  2. Step 2: Convert to fraction form
    89,693.56/134,501.46 = 30,513.34/x
  3. Step 3: Cross multiply
    89,693.56x = 134,501.46 × 30,513.34
  4. Step 4: Simplify right side
    89,693.56x = 4,104,088,779.48
  5. Step 5: Solve for x
    x = 4,104,088,779.48/89,693.56
  6. Step 6: Final answer
    x = 45,756.78

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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.