Finding the Fourth Proportional to 98,966.04, 136,468.98 and 74,823.72
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Solution
The fourth proportional to 98,966.04, 136,468.98 and 74,823.72 is: 103,177.99
Step by Step Solution
- Step 1: Write the proportion equation
98,966.04 : 136,468.98 = 74,823.72 : x - Step 2: Convert to fraction form
98,966.04/136,468.98 = 74,823.72/x - Step 3: Cross multiply
98,966.04x = 136,468.98 × 74,823.72 - Step 4: Simplify right side
98,966.04x = 10,211,116,748.21 - Step 5: Solve for x
x = 10,211,116,748.21/98,966.04 - Step 6: Final answer
x = 103,177.99
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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.