Home / 70,862.45-97,786.58-39,030.66

Finding the Fourth Proportional to 70,862.45, 97,786.58 and 39,030.66

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Solution

The fourth proportional to 70,862.45, 97,786.58 and 39,030.66 is: 53,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,862.45 : 97,786.58 = 39,030.66 : x
  2. Step 2: Convert to fraction form
    70,862.45/97,786.58 = 39,030.66/x
  3. Step 3: Cross multiply
    70,862.45x = 97,786.58 × 39,030.66
  4. Step 4: Simplify right side
    70,862.45x = 3,816,674,561.39
  5. Step 5: Solve for x
    x = 3,816,674,561.39/70,862.45
  6. Step 6: Final answer
    x = 53,860.33

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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.