Home / 62,628.60-86,428.18-35,774.68

Finding the Fourth Proportional to 62,628.60, 86,428.18 and 35,774.68

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Solution

The fourth proportional to 62,628.60, 86,428.18 and 35,774.68 is: 49,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,628.60 : 86,428.18 = 35,774.68 : x
  2. Step 2: Convert to fraction form
    62,628.60/86,428.18 = 35,774.68/x
  3. Step 3: Cross multiply
    62,628.60x = 86,428.18 × 35,774.68
  4. Step 4: Simplify right side
    62,628.60x = 3,091,940,482.48
  5. Step 5: Solve for x
    x = 3,091,940,482.48/62,628.60
  6. Step 6: Final answer
    x = 49,369.47

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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.