Finding the Fourth Proportional to 97,646.92, 134,746.36 and 54,618.95
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Solution
The fourth proportional to 97,646.92, 134,746.36 and 54,618.95 is: 75,370.58
Step by Step Solution
- Step 1: Write the proportion equation
97,646.92 : 134,746.36 = 54,618.95 : x - Step 2: Convert to fraction form
97,646.92/134,746.36 = 54,618.95/x - Step 3: Cross multiply
97,646.92x = 134,746.36 × 54,618.95 - Step 4: Simplify right side
97,646.92x = 7,359,704,699.52 - Step 5: Solve for x
x = 7,359,704,699.52/97,646.92 - Step 6: Final answer
x = 75,370.58
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1.5x scale
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.