Home / 72,240.75-99,692.24-47,090.25

Finding the Fourth Proportional to 72,240.75, 99,692.24 and 47,090.25

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Solution

The fourth proportional to 72,240.75, 99,692.24 and 47,090.25 is: 64,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,240.75 : 99,692.24 = 47,090.25 : x
  2. Step 2: Convert to fraction form
    72,240.75/99,692.24 = 47,090.25/x
  3. Step 3: Cross multiply
    72,240.75x = 99,692.24 × 47,090.25
  4. Step 4: Simplify right side
    72,240.75x = 4,694,532,269.21
  5. Step 5: Solve for x
    x = 4,694,532,269.21/72,240.75
  6. Step 6: Final answer
    x = 64,984.55

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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.