Finding the Fourth Proportional to 93,069.36, 128,437.26 and 50,628.12
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Solution
The fourth proportional to 93,069.36, 128,437.26 and 50,628.12 is: 69,867.65
Step by Step Solution
- Step 1: Write the proportion equation
93,069.36 : 128,437.26 = 50,628.12 : x - Step 2: Convert to fraction form
93,069.36/128,437.26 = 50,628.12/x - Step 3: Cross multiply
93,069.36x = 128,437.26 × 50,628.12 - Step 4: Simplify right side
93,069.36x = 6,502,537,011.75 - Step 5: Solve for x
x = 6,502,537,011.75/93,069.36 - Step 6: Final answer
x = 69,867.65
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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.