Finding the Fourth Proportional to 77,668.08, 116,503.54 and 24,358.87
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Solution
The fourth proportional to 77,668.08, 116,503.54 and 24,358.87 is: 36,538.75
Step by Step Solution
- Step 1: Write the proportion equation
77,668.08 : 116,503.54 = 24,358.87 : x - Step 2: Convert to fraction form
77,668.08/116,503.54 = 24,358.87/x - Step 3: Cross multiply
77,668.08x = 116,503.54 × 24,358.87 - Step 4: Simplify right side
77,668.08x = 2,837,894,585.40 - Step 5: Solve for x
x = 2,837,894,585.40/77,668.08 - Step 6: Final answer
x = 36,538.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.