Finding the Fourth Proportional to 97,126.48, 134,024.87 and 71,646.62
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Solution
The fourth proportional to 97,126.48, 134,024.87 and 71,646.62 is: 98,865.20
Step by Step Solution
- Step 1: Write the proportion equation
97,126.48 : 134,024.87 = 71,646.62 : x - Step 2: Convert to fraction form
97,126.48/134,024.87 = 71,646.62/x - Step 3: Cross multiply
97,126.48x = 134,024.87 × 71,646.62 - Step 4: Simplify right side
97,126.48x = 9,602,428,931.44 - Step 5: Solve for x
x = 9,602,428,931.44/97,126.48 - Step 6: Final answer
x = 98,865.20
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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.