Finding the Fourth Proportional to 93,452.03, 128,959.29 and 53,162.00
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Solution
The fourth proportional to 93,452.03, 128,959.29 and 53,162.00 is: 73,360.99
Step by Step Solution
- Step 1: Write the proportion equation
93,452.03 : 128,959.29 = 53,162.00 : x - Step 2: Convert to fraction form
93,452.03/128,959.29 = 53,162.00/x - Step 3: Cross multiply
93,452.03x = 128,959.29 × 53,162.00 - Step 4: Simplify right side
93,452.03x = 6,855,733,130.18 - Step 5: Solve for x
x = 6,855,733,130.18/93,452.03 - Step 6: Final answer
x = 73,360.99
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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.