Home / 70,750.87-97,642.07-38,925.57

Finding the Fourth Proportional to 70,750.87, 97,642.07 and 38,925.57

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Solution

The fourth proportional to 70,750.87, 97,642.07 and 38,925.57 is: 53,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,750.87 : 97,642.07 = 38,925.57 : x
  2. Step 2: Convert to fraction form
    70,750.87/97,642.07 = 38,925.57/x
  3. Step 3: Cross multiply
    70,750.87x = 97,642.07 × 38,925.57
  4. Step 4: Simplify right side
    70,750.87x = 3,800,773,230.73
  5. Step 5: Solve for x
    x = 3,800,773,230.73/70,750.87
  6. Step 6: Final answer
    x = 53,720.52

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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.