Finding the Fourth Proportional to 97,028.18, 133,854.64 and 70,128.08
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Solution
The fourth proportional to 97,028.18, 133,854.64 and 70,128.08 is: 96,744.77
Step by Step Solution
- Step 1: Write the proportion equation
97,028.18 : 133,854.64 = 70,128.08 : x - Step 2: Convert to fraction form
97,028.18/133,854.64 = 70,128.08/x - Step 3: Cross multiply
97,028.18x = 133,854.64 × 70,128.08 - Step 4: Simplify right side
97,028.18x = 9,386,968,902.29 - Step 5: Solve for x
x = 9,386,968,902.29/97,028.18 - Step 6: Final answer
x = 96,744.77
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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.