Finding the Fourth Proportional to 93,613.28, 129,209.54 and 53,350.92
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Solution
The fourth proportional to 93,613.28, 129,209.54 and 53,350.92 is: 73,637.50
Step by Step Solution
- Step 1: Write the proportion equation
93,613.28 : 129,209.54 = 53,350.92 : x - Step 2: Convert to fraction form
93,613.28/129,209.54 = 53,350.92/x - Step 3: Cross multiply
93,613.28x = 129,209.54 × 53,350.92 - Step 4: Simplify right side
93,613.28x = 6,893,447,565.02 - Step 5: Solve for x
x = 6,893,447,565.02/93,613.28 - Step 6: Final answer
x = 73,637.50
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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.