Finding the Fourth Proportional to 93,750.42, 129,349.95 and 53,449.49
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Solution
The fourth proportional to 93,750.42, 129,349.95 and 53,449.49 is: 73,745.68
Step by Step Solution
- Step 1: Write the proportion equation
93,750.42 : 129,349.95 = 53,449.49 : x - Step 2: Convert to fraction form
93,750.42/129,349.95 = 53,449.49/x - Step 3: Cross multiply
93,750.42x = 129,349.95 × 53,449.49 - Step 4: Simplify right side
93,750.42x = 6,913,688,212.28 - Step 5: Solve for x
x = 6,913,688,212.28/93,750.42 - Step 6: Final answer
x = 73,745.68
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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.