Home / 70,339.35-97,070.49-38,511.21

Finding the Fourth Proportional to 70,339.35, 97,070.49 and 38,511.21

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Solution

The fourth proportional to 70,339.35, 97,070.49 and 38,511.21 is: 53,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,339.35 : 97,070.49 = 38,511.21 : x
  2. Step 2: Convert to fraction form
    70,339.35/97,070.49 = 38,511.21/x
  3. Step 3: Cross multiply
    70,339.35x = 97,070.49 × 38,511.21
  4. Step 4: Simplify right side
    70,339.35x = 3,738,302,025.19
  5. Step 5: Solve for x
    x = 3,738,302,025.19/70,339.35
  6. Step 6: Final answer
    x = 53,146.67

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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.