Home / 89,430.96-134,063.03-30,225.23

Finding the Fourth Proportional to 89,430.96, 134,063.03 and 30,225.23

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Solution

The fourth proportional to 89,430.96, 134,063.03 and 30,225.23 is: 45,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,430.96 : 134,063.03 = 30,225.23 : x
  2. Step 2: Convert to fraction form
    89,430.96/134,063.03 = 30,225.23/x
  3. Step 3: Cross multiply
    89,430.96x = 134,063.03 × 30,225.23
  4. Step 4: Simplify right side
    89,430.96x = 4,052,085,094.81
  5. Step 5: Solve for x
    x = 4,052,085,094.81/89,430.96
  6. Step 6: Final answer
    x = 45,309.65

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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.