Finding the Fourth Proportional to 93,895.36, 129,543.24 and 53,580.04
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Solution
The fourth proportional to 93,895.36, 129,543.24 and 53,580.04 is: 73,921.99
Step by Step Solution
- Step 1: Write the proportion equation
93,895.36 : 129,543.24 = 53,580.04 : x - Step 2: Convert to fraction form
93,895.36/129,543.24 = 53,580.04/x - Step 3: Cross multiply
93,895.36x = 129,543.24 × 53,580.04 - Step 4: Simplify right side
93,895.36x = 6,940,931,980.93 - Step 5: Solve for x
x = 6,940,931,980.93/93,895.36 - Step 6: Final answer
x = 73,921.99
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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.