Finding the Fourth Proportional to 93,070.38, 128,438.10 and 50,628.99
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Solution
The fourth proportional to 93,070.38, 128,438.10 and 50,628.99 is: 69,868.54
Step by Step Solution
- Step 1: Write the proportion equation
93,070.38 : 128,438.10 = 50,628.99 : x - Step 2: Convert to fraction form
93,070.38/128,438.10 = 50,628.99/x - Step 3: Cross multiply
93,070.38x = 128,438.10 × 50,628.99 - Step 4: Simplify right side
93,070.38x = 6,502,691,280.52 - Step 5: Solve for x
x = 6,502,691,280.52/93,070.38 - Step 6: Final answer
x = 69,868.54
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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.