Finding the Fourth Proportional to 93,324.24, 128,782.80 and 53,032.68
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Solution
The fourth proportional to 93,324.24, 128,782.80 and 53,032.68 is: 73,182.46
Step by Step Solution
- Step 1: Write the proportion equation
93,324.24 : 128,782.80 = 53,032.68 : x - Step 2: Convert to fraction form
93,324.24/128,782.80 = 53,032.68/x - Step 3: Cross multiply
93,324.24x = 128,782.80 × 53,032.68 - Step 4: Simplify right side
93,324.24x = 6,829,697,021.90 - Step 5: Solve for x
x = 6,829,697,021.90/93,324.24 - Step 6: Final answer
x = 73,182.46
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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.