Home / 78,717.24-108,641.12-46,886.67

Finding the Fourth Proportional to 78,717.24, 108,641.12 and 46,886.67

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Solution

The fourth proportional to 78,717.24, 108,641.12 and 46,886.67 is: 64,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,717.24 : 108,641.12 = 46,886.67 : x
  2. Step 2: Convert to fraction form
    78,717.24/108,641.12 = 46,886.67/x
  3. Step 3: Cross multiply
    78,717.24x = 108,641.12 × 46,886.67
  4. Step 4: Simplify right side
    78,717.24x = 5,093,820,107.44
  5. Step 5: Solve for x
    x = 5,093,820,107.44/78,717.24
  6. Step 6: Final answer
    x = 64,710.35

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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.