Home / 72,040.84-99,297.36-48,158.80

Finding the Fourth Proportional to 72,040.84, 99,297.36 and 48,158.80

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Solution

The fourth proportional to 72,040.84, 99,297.36 and 48,158.80 is: 66,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,040.84 : 99,297.36 = 48,158.80 : x
  2. Step 2: Convert to fraction form
    72,040.84/99,297.36 = 48,158.80/x
  3. Step 3: Cross multiply
    72,040.84x = 99,297.36 × 48,158.80
  4. Step 4: Simplify right side
    72,040.84x = 4,782,041,700.77
  5. Step 5: Solve for x
    x = 4,782,041,700.77/72,040.84
  6. Step 6: Final answer
    x = 66,379.59

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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.