Finding the Fourth Proportional to 97,924.96, 135,128.82 and 55,490.14
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Solution
The fourth proportional to 97,924.96, 135,128.82 and 55,490.14 is: 76,572.07
Step by Step Solution
- Step 1: Write the proportion equation
97,924.96 : 135,128.82 = 55,490.14 : x - Step 2: Convert to fraction form
97,924.96/135,128.82 = 55,490.14/x - Step 3: Cross multiply
97,924.96x = 135,128.82 × 55,490.14 - Step 4: Simplify right side
97,924.96x = 7,498,317,139.83 - Step 5: Solve for x
x = 7,498,317,139.83/97,924.96 - Step 6: Final answer
x = 76,572.07
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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.