Finding the Fourth Proportional to 97,477.08, 145,882.95 and 81,699.93
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Solution
The fourth proportional to 97,477.08, 145,882.95 and 81,699.93 is: 122,271.07
Step by Step Solution
- Step 1: Write the proportion equation
97,477.08 : 145,882.95 = 81,699.93 : x - Step 2: Convert to fraction form
97,477.08/145,882.95 = 81,699.93/x - Step 3: Cross multiply
97,477.08x = 145,882.95 × 81,699.93 - Step 4: Simplify right side
97,477.08x = 11,918,626,803.19 - Step 5: Solve for x
x = 11,918,626,803.19/97,477.08 - Step 6: Final answer
x = 122,271.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.