Home / 70,931.58-97,884.26-38,666.55

Finding the Fourth Proportional to 70,931.58, 97,884.26 and 38,666.55

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Solution

The fourth proportional to 70,931.58, 97,884.26 and 38,666.55 is: 53,359.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,931.58 : 97,884.26 = 38,666.55 : x
  2. Step 2: Convert to fraction form
    70,931.58/97,884.26 = 38,666.55/x
  3. Step 3: Cross multiply
    70,931.58x = 97,884.26 × 38,666.55
  4. Step 4: Simplify right side
    70,931.58x = 3,784,846,440.17
  5. Step 5: Solve for x
    x = 3,784,846,440.17/70,931.58
  6. Step 6: Final answer
    x = 53,359.12

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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.