Finding the Fourth Proportional to 93,813.16, 129,459.62 and 53,526.19
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Solution
The fourth proportional to 93,813.16, 129,459.62 and 53,526.19 is: 73,864.69
Step by Step Solution
- Step 1: Write the proportion equation
93,813.16 : 129,459.62 = 53,526.19 : x - Step 2: Convert to fraction form
93,813.16/129,459.62 = 53,526.19/x - Step 3: Cross multiply
93,813.16x = 129,459.62 × 53,526.19 - Step 4: Simplify right side
93,813.16x = 6,929,479,703.97 - Step 5: Solve for x
x = 6,929,479,703.97/93,813.16 - Step 6: Final answer
x = 73,864.69
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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.