Home / 85,329.04-117,753.72-47,603.36

Finding the Fourth Proportional to 85,329.04, 117,753.72 and 47,603.36

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Solution

The fourth proportional to 85,329.04, 117,753.72 and 47,603.36 is: 65,692.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,329.04 : 117,753.72 = 47,603.36 : x
  2. Step 2: Convert to fraction form
    85,329.04/117,753.72 = 47,603.36/x
  3. Step 3: Cross multiply
    85,329.04x = 117,753.72 × 47,603.36
  4. Step 4: Simplify right side
    85,329.04x = 5,605,472,724.50
  5. Step 5: Solve for x
    x = 5,605,472,724.50/85,329.04
  6. Step 6: Final answer
    x = 65,692.44

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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.