Finding the Fourth Proportional to 93,098.24, 128,478.44 and 52,813.70
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Solution
The fourth proportional to 93,098.24, 128,478.44 and 52,813.70 is: 72,884.53
Step by Step Solution
- Step 1: Write the proportion equation
93,098.24 : 128,478.44 = 52,813.70 : x - Step 2: Convert to fraction form
93,098.24/128,478.44 = 52,813.70/x - Step 3: Cross multiply
93,098.24x = 128,478.44 × 52,813.70 - Step 4: Simplify right side
93,098.24x = 6,785,421,786.63 - Step 5: Solve for x
x = 6,785,421,786.63/93,098.24 - Step 6: Final answer
x = 72,884.53
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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.