Home / 70,895.60-97,836.18-39,063.80

Finding the Fourth Proportional to 70,895.60, 97,836.18 and 39,063.80

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Solution

The fourth proportional to 70,895.60, 97,836.18 and 39,063.80 is: 53,908.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,895.60 : 97,836.18 = 39,063.80 : x
  2. Step 2: Convert to fraction form
    70,895.60/97,836.18 = 39,063.80/x
  3. Step 3: Cross multiply
    70,895.60x = 97,836.18 × 39,063.80
  4. Step 4: Simplify right side
    70,895.60x = 3,821,852,968.28
  5. Step 5: Solve for x
    x = 3,821,852,968.28/70,895.60
  6. Step 6: Final answer
    x = 53,908.18

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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.