Home / 124,435.26-171,728.91-70,720.38

Finding the Fourth Proportional to 124,435.26, 171,728.91 and 70,720.38

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Solution

The fourth proportional to 124,435.26, 171,728.91 and 70,720.38 is: 97,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,435.26 : 171,728.91 = 70,720.38 : x
  2. Step 2: Convert to fraction form
    124,435.26/171,728.91 = 70,720.38/x
  3. Step 3: Cross multiply
    124,435.26x = 171,728.91 × 70,720.38
  4. Step 4: Simplify right side
    124,435.26x = 12,144,733,772.19
  5. Step 5: Solve for x
    x = 12,144,733,772.19/124,435.26
  6. Step 6: Final answer
    x = 97,598.81

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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.