Finding the Fourth Proportional to 124,002.24, 171,127.68 and 68,813.12
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Solution
The fourth proportional to 124,002.24, 171,127.68 and 68,813.12 is: 94,964.65
Step by Step Solution
- Step 1: Write the proportion equation
124,002.24 : 171,127.68 = 68,813.12 : x - Step 2: Convert to fraction form
124,002.24/171,127.68 = 68,813.12/x - Step 3: Cross multiply
124,002.24x = 171,127.68 × 68,813.12 - Step 4: Simplify right side
124,002.24x = 11,775,829,579.16 - Step 5: Solve for x
x = 11,775,829,579.16/124,002.24 - Step 6: Final answer
x = 94,964.65
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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.