Home / 70,619.23-97,455.18-38,788.84

Finding the Fourth Proportional to 70,619.23, 97,455.18 and 38,788.84

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Solution

The fourth proportional to 70,619.23, 97,455.18 and 38,788.84 is: 53,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,619.23 : 97,455.18 = 38,788.84 : x
  2. Step 2: Convert to fraction form
    70,619.23/97,455.18 = 38,788.84/x
  3. Step 3: Cross multiply
    70,619.23x = 97,455.18 × 38,788.84
  4. Step 4: Simplify right side
    70,619.23x = 3,780,173,384.19
  5. Step 5: Solve for x
    x = 3,780,173,384.19/70,619.23
  6. Step 6: Final answer
    x = 53,528.95

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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.