Finding the Fourth Proportional to 97,014.80, 133,854.12 and 56,738.48
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Solution
The fourth proportional to 97,014.80, 133,854.12 and 56,738.48 is: 78,283.72
Step by Step Solution
- Step 1: Write the proportion equation
97,014.80 : 133,854.12 = 56,738.48 : x - Step 2: Convert to fraction form
97,014.80/133,854.12 = 56,738.48/x - Step 3: Cross multiply
97,014.80x = 133,854.12 × 56,738.48 - Step 4: Simplify right side
97,014.80x = 7,594,679,310.54 - Step 5: Solve for x
x = 7,594,679,310.54/97,014.80 - Step 6: Final answer
x = 78,283.72
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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.