Home / 124,931.34-172,405.26-67,570.68

Finding the Fourth Proportional to 124,931.34, 172,405.26 and 67,570.68

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Solution

The fourth proportional to 124,931.34, 172,405.26 and 67,570.68 is: 93,247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,931.34 : 172,405.26 = 67,570.68 : x
  2. Step 2: Convert to fraction form
    124,931.34/172,405.26 = 67,570.68/x
  3. Step 3: Cross multiply
    124,931.34x = 172,405.26 × 67,570.68
  4. Step 4: Simplify right side
    124,931.34x = 11,649,540,653.78
  5. Step 5: Solve for x
    x = 11,649,540,653.78/124,931.34
  6. Step 6: Final answer
    x = 93,247.54

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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.