Home / 70,460.43-97,235.37-38,628.65

Finding the Fourth Proportional to 70,460.43, 97,235.37 and 38,628.65

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Solution

The fourth proportional to 70,460.43, 97,235.37 and 38,628.65 is: 53,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,460.43 : 97,235.37 = 38,628.65 : x
  2. Step 2: Convert to fraction form
    70,460.43/97,235.37 = 38,628.65/x
  3. Step 3: Cross multiply
    70,460.43x = 97,235.37 × 38,628.65
  4. Step 4: Simplify right side
    70,460.43x = 3,756,070,589.17
  5. Step 5: Solve for x
    x = 3,756,070,589.17/70,460.43
  6. Step 6: Final answer
    x = 53,307.52

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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.