Finding the Fourth Proportional to 88,973.13, 122,633.28 and 67,455.75
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Solution
The fourth proportional to 88,973.13, 122,633.28 and 67,455.75 is: 92,975.48
Step by Step Solution
- Step 1: Write the proportion equation
88,973.13 : 122,633.28 = 67,455.75 : x - Step 2: Convert to fraction form
88,973.13/122,633.28 = 67,455.75/x - Step 3: Cross multiply
88,973.13x = 122,633.28 × 67,455.75 - Step 4: Simplify right side
88,973.13x = 8,272,319,877.36 - Step 5: Solve for x
x = 8,272,319,877.36/88,973.13 - Step 6: Final answer
x = 92,975.48
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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.