Finding the Fourth Proportional to 94,695.84, 130,577.76 and 64,486.08
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Solution
The fourth proportional to 94,695.84, 130,577.76 and 64,486.08 is: 88,920.99
Step by Step Solution
- Step 1: Write the proportion equation
94,695.84 : 130,577.76 = 64,486.08 : x - Step 2: Convert to fraction form
94,695.84/130,577.76 = 64,486.08/x - Step 3: Cross multiply
94,695.84x = 130,577.76 × 64,486.08 - Step 4: Simplify right side
94,695.84x = 8,420,447,877.58 - Step 5: Solve for x
x = 8,420,447,877.58/94,695.84 - Step 6: Final answer
x = 88,920.99
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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.