Home / 70,147.58-96,803.55-38,316.47

Finding the Fourth Proportional to 70,147.58, 96,803.55 and 38,316.47

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Solution

The fourth proportional to 70,147.58, 96,803.55 and 38,316.47 is: 52,876.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,147.58 : 96,803.55 = 38,316.47 : x
  2. Step 2: Convert to fraction form
    70,147.58/96,803.55 = 38,316.47/x
  3. Step 3: Cross multiply
    70,147.58x = 96,803.55 × 38,316.47
  4. Step 4: Simplify right side
    70,147.58x = 3,709,169,835.45
  5. Step 5: Solve for x
    x = 3,709,169,835.45/70,147.58
  6. Step 6: Final answer
    x = 52,876.67

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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.