Home / 82,675.49-124,021.40-26,501.45

Finding the Fourth Proportional to 82,675.49, 124,021.40 and 26,501.45

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Solution

The fourth proportional to 82,675.49, 124,021.40 and 26,501.45 is: 39,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,675.49 : 124,021.40 = 26,501.45 : x
  2. Step 2: Convert to fraction form
    82,675.49/124,021.40 = 26,501.45/x
  3. Step 3: Cross multiply
    82,675.49x = 124,021.40 × 26,501.45
  4. Step 4: Simplify right side
    82,675.49x = 3,286,746,178.42
  5. Step 5: Solve for x
    x = 3,286,746,178.42/82,675.49
  6. Step 6: Final answer
    x = 39,754.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.