Home / 70,713.63-97,587.32-38,884.95

Finding the Fourth Proportional to 70,713.63, 97,587.32 and 38,884.95

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Solution

The fourth proportional to 70,713.63, 97,587.32 and 38,884.95 is: 53,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,713.63 : 97,587.32 = 38,884.95 : x
  2. Step 2: Convert to fraction form
    70,713.63/97,587.32 = 38,884.95/x
  3. Step 3: Cross multiply
    70,713.63x = 97,587.32 × 38,884.95
  4. Step 4: Simplify right side
    70,713.63x = 3,794,677,864.41
  5. Step 5: Solve for x
    x = 3,794,677,864.41/70,713.63
  6. Step 6: Final answer
    x = 53,662.61

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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.