Finding the Fourth Proportional to 97,955.60, 135,050.16 and 70,708.88
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Solution
The fourth proportional to 97,955.60, 135,050.16 and 70,708.88 is: 97,485.45
Step by Step Solution
- Step 1: Write the proportion equation
97,955.60 : 135,050.16 = 70,708.88 : x - Step 2: Convert to fraction form
97,955.60/135,050.16 = 70,708.88/x - Step 3: Cross multiply
97,955.60x = 135,050.16 × 70,708.88 - Step 4: Simplify right side
97,955.60x = 9,549,245,557.42 - Step 5: Solve for x
x = 9,549,245,557.42/97,955.60 - Step 6: Final answer
x = 97,485.45
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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.