Home / 96,910.34-145,421.91-40,746.38

Finding the Fourth Proportional to 96,910.34, 145,421.91 and 40,746.38

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Solution

The fourth proportional to 96,910.34, 145,421.91 and 40,746.38 is: 61,143.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,910.34 : 145,421.91 = 40,746.38 : x
  2. Step 2: Convert to fraction form
    96,910.34/145,421.91 = 40,746.38/x
  3. Step 3: Cross multiply
    96,910.34x = 145,421.91 × 40,746.38
  4. Step 4: Simplify right side
    96,910.34x = 5,925,416,405.19
  5. Step 5: Solve for x
    x = 5,925,416,405.19/96,910.34
  6. Step 6: Final answer
    x = 61,143.28

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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.