Finding the Fourth Proportional to 97,642.24, 134,746.68 and 61,794.88
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Solution
The fourth proportional to 97,642.24, 134,746.68 and 61,794.88 is: 85,277.18
Step by Step Solution
- Step 1: Write the proportion equation
97,642.24 : 134,746.68 = 61,794.88 : x - Step 2: Convert to fraction form
97,642.24/134,746.68 = 61,794.88/x - Step 3: Cross multiply
97,642.24x = 134,746.68 × 61,794.88 - Step 4: Simplify right side
97,642.24x = 8,326,654,921.00 - Step 5: Solve for x
x = 8,326,654,921.00/97,642.24 - Step 6: Final answer
x = 85,277.18
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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.