Home / 115,632.66-159,622.27-70,325.19

Finding the Fourth Proportional to 115,632.66, 159,622.27 and 70,325.19

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Solution

The fourth proportional to 115,632.66, 159,622.27 and 70,325.19 is: 97,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,632.66 : 159,622.27 = 70,325.19 : x
  2. Step 2: Convert to fraction form
    115,632.66/159,622.27 = 70,325.19/x
  3. Step 3: Cross multiply
    115,632.66x = 159,622.27 × 70,325.19
  4. Step 4: Simplify right side
    115,632.66x = 11,225,466,039.02
  5. Step 5: Solve for x
    x = 11,225,466,039.02/115,632.66
  6. Step 6: Final answer
    x = 97,078.68

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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.