Finding the Fourth Proportional to 97,373.13, 134,374.91 and 69,128.02
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Solution
The fourth proportional to 97,373.13, 134,374.91 and 69,128.02 is: 95,396.66
Step by Step Solution
- Step 1: Write the proportion equation
97,373.13 : 134,374.91 = 69,128.02 : x - Step 2: Convert to fraction form
97,373.13/134,374.91 = 69,128.02/x - Step 3: Cross multiply
97,373.13x = 134,374.91 × 69,128.02 - Step 4: Simplify right side
97,373.13x = 9,289,071,465.98 - Step 5: Solve for x
x = 9,289,071,465.98/97,373.13 - Step 6: Final answer
x = 95,396.66
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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.