Finding the Fourth Proportional to 97,011.60, 145,420.20 and 44,458.80
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Solution
The fourth proportional to 97,011.60, 145,420.20 and 44,458.80 is: 66,643.65
Step by Step Solution
- Step 1: Write the proportion equation
97,011.60 : 145,420.20 = 44,458.80 : x - Step 2: Convert to fraction form
97,011.60/145,420.20 = 44,458.80/x - Step 3: Cross multiply
97,011.60x = 145,420.20 × 44,458.80 - Step 4: Simplify right side
97,011.60x = 6,465,207,587.76 - Step 5: Solve for x
x = 6,465,207,587.76/97,011.60 - Step 6: Final answer
x = 66,643.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.