Home / 70,927.08-97,878.72-38,661.69

Finding the Fourth Proportional to 70,927.08, 97,878.72 and 38,661.69

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Solution

The fourth proportional to 70,927.08, 97,878.72 and 38,661.69 is: 53,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,927.08 : 97,878.72 = 38,661.69 : x
  2. Step 2: Convert to fraction form
    70,927.08/97,878.72 = 38,661.69/x
  3. Step 3: Cross multiply
    70,927.08x = 97,878.72 × 38,661.69
  4. Step 4: Simplify right side
    70,927.08x = 3,784,156,730.24
  5. Step 5: Solve for x
    x = 3,784,156,730.24/70,927.08
  6. Step 6: Final answer
    x = 53,352.78

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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.