Finding the Fourth Proportional to 86,210.19, 118,933.52 and 52,656.75
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Solution
The fourth proportional to 86,210.19, 118,933.52 and 52,656.75 is: 72,643.99
Step by Step Solution
- Step 1: Write the proportion equation
86,210.19 : 118,933.52 = 52,656.75 : x - Step 2: Convert to fraction form
86,210.19/118,933.52 = 52,656.75/x - Step 3: Cross multiply
86,210.19x = 118,933.52 × 52,656.75 - Step 4: Simplify right side
86,210.19x = 6,262,652,365.98 - Step 5: Solve for x
x = 6,262,652,365.98/86,210.19 - Step 6: Final answer
x = 72,643.99
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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.