Finding the Fourth Proportional to 88,357.37, 121,931.06 and 48,071.07
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Solution
The fourth proportional to 88,357.37, 121,931.06 and 48,071.07 is: 66,336.93
Step by Step Solution
- Step 1: Write the proportion equation
88,357.37 : 121,931.06 = 48,071.07 : x - Step 2: Convert to fraction form
88,357.37/121,931.06 = 48,071.07/x - Step 3: Cross multiply
88,357.37x = 121,931.06 × 48,071.07 - Step 4: Simplify right side
88,357.37x = 5,861,356,280.08 - Step 5: Solve for x
x = 5,861,356,280.08/88,357.37 - Step 6: Final answer
x = 66,336.93
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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.