Home / 96,478.94-133,157.42-56,216.57

Finding the Fourth Proportional to 96,478.94, 133,157.42 and 56,216.57

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Solution

The fourth proportional to 96,478.94, 133,157.42 and 56,216.57 is: 77,588.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,478.94 : 133,157.42 = 56,216.57 : x
  2. Step 2: Convert to fraction form
    96,478.94/133,157.42 = 56,216.57/x
  3. Step 3: Cross multiply
    96,478.94x = 133,157.42 × 56,216.57
  4. Step 4: Simplify right side
    96,478.94x = 7,485,652,475.58
  5. Step 5: Solve for x
    x = 7,485,652,475.58/96,478.94
  6. Step 6: Final answer
    x = 77,588.47

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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.