Finding the Fourth Proportional to 88,219.98, 121,752.45 and 52,417.98
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Solution
The fourth proportional to 88,219.98, 121,752.45 and 52,417.98 is: 72,342.09
Step by Step Solution
- Step 1: Write the proportion equation
88,219.98 : 121,752.45 = 52,417.98 : x - Step 2: Convert to fraction form
88,219.98/121,752.45 = 52,417.98/x - Step 3: Cross multiply
88,219.98x = 121,752.45 × 52,417.98 - Step 4: Simplify right side
88,219.98x = 6,382,017,489.05 - Step 5: Solve for x
x = 6,382,017,489.05/88,219.98 - Step 6: Final answer
x = 72,342.09
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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.