Home / 70,213.83-96,897.20-38,384.43

Finding the Fourth Proportional to 70,213.83, 96,897.20 and 38,384.43

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Solution

The fourth proportional to 70,213.83, 96,897.20 and 38,384.43 is: 52,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,213.83 : 96,897.20 = 38,384.43 : x
  2. Step 2: Convert to fraction form
    70,213.83/96,897.20 = 38,384.43/x
  3. Step 3: Cross multiply
    70,213.83x = 96,897.20 × 38,384.43
  4. Step 4: Simplify right side
    70,213.83x = 3,719,343,598.67
  5. Step 5: Solve for x
    x = 3,719,343,598.67/70,213.83
  6. Step 6: Final answer
    x = 52,971.67

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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.