Home / 85,215.15-117,603.62-46,981.46

Finding the Fourth Proportional to 85,215.15, 117,603.62 and 46,981.46

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Solution

The fourth proportional to 85,215.15, 117,603.62 and 46,981.46 is: 64,838.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,215.15 : 117,603.62 = 46,981.46 : x
  2. Step 2: Convert to fraction form
    85,215.15/117,603.62 = 46,981.46/x
  3. Step 3: Cross multiply
    85,215.15x = 117,603.62 × 46,981.46
  4. Step 4: Simplify right side
    85,215.15x = 5,525,190,180.35
  5. Step 5: Solve for x
    x = 5,525,190,180.35/85,215.15
  6. Step 6: Final answer
    x = 64,838.12

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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.