Finding the Fourth Proportional to 97,778.71, 134,934.68 and 53,066.71
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Solution
The fourth proportional to 97,778.71, 134,934.68 and 53,066.71 is: 73,232.09
Step by Step Solution
- Step 1: Write the proportion equation
97,778.71 : 134,934.68 = 53,066.71 : x - Step 2: Convert to fraction form
97,778.71/134,934.68 = 53,066.71/x - Step 3: Cross multiply
97,778.71x = 134,934.68 × 53,066.71 - Step 4: Simplify right side
97,778.71x = 7,160,539,267.17 - Step 5: Solve for x
x = 7,160,539,267.17/97,778.71 - Step 6: Final answer
x = 73,232.09
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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.