Finding the Fourth Proportional to 93,001.68, 128,352.35 and 52,711.12
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Solution
The fourth proportional to 93,001.68, 128,352.35 and 52,711.12 is: 72,747.03
Step by Step Solution
- Step 1: Write the proportion equation
93,001.68 : 128,352.35 = 52,711.12 : x - Step 2: Convert to fraction form
93,001.68/128,352.35 = 52,711.12/x - Step 3: Cross multiply
93,001.68x = 128,352.35 × 52,711.12 - Step 4: Simplify right side
93,001.68x = 6,765,596,123.13 - Step 5: Solve for x
x = 6,765,596,123.13/93,001.68 - Step 6: Final answer
x = 72,747.03
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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.