Home / 62,678.64-86,498.34-34,386.12

Finding the Fourth Proportional to 62,678.64, 86,498.34 and 34,386.12

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Solution

The fourth proportional to 62,678.64, 86,498.34 and 34,386.12 is: 47,453.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,678.64 : 86,498.34 = 34,386.12 : x
  2. Step 2: Convert to fraction form
    62,678.64/86,498.34 = 34,386.12/x
  3. Step 3: Cross multiply
    62,678.64x = 86,498.34 × 34,386.12
  4. Step 4: Simplify right side
    62,678.64x = 2,974,342,299.04
  5. Step 5: Solve for x
    x = 2,974,342,299.04/62,678.64
  6. Step 6: Final answer
    x = 47,453.84

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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.