Home / 85,330.06-117,758.01-47,603.50

Finding the Fourth Proportional to 85,330.06, 117,758.01 and 47,603.50

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Solution

The fourth proportional to 85,330.06, 117,758.01 and 47,603.50 is: 65,694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,330.06 : 117,758.01 = 47,603.50 : x
  2. Step 2: Convert to fraction form
    85,330.06/117,758.01 = 47,603.50/x
  3. Step 3: Cross multiply
    85,330.06x = 117,758.01 × 47,603.50
  4. Step 4: Simplify right side
    85,330.06x = 5,605,693,429.04
  5. Step 5: Solve for x
    x = 5,605,693,429.04/85,330.06
  6. Step 6: Final answer
    x = 65,694.24

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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.