Finding the Fourth Proportional to 93,750.60, 129,378.84 and 51,309.08
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Solution
The fourth proportional to 93,750.60, 129,378.84 and 51,309.08 is: 70,808.18
Step by Step Solution
- Step 1: Write the proportion equation
93,750.60 : 129,378.84 = 51,309.08 : x - Step 2: Convert to fraction form
93,750.60/129,378.84 = 51,309.08/x - Step 3: Cross multiply
93,750.60x = 129,378.84 × 51,309.08 - Step 4: Simplify right side
93,750.60x = 6,638,309,251.87 - Step 5: Solve for x
x = 6,638,309,251.87/93,750.60 - Step 6: Final answer
x = 70,808.18
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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.