Finding the Fourth Proportional to 88,314.84, 121,875.37 and 48,029.51
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Solution
The fourth proportional to 88,314.84, 121,875.37 and 48,029.51 is: 66,281.20
Step by Step Solution
- Step 1: Write the proportion equation
88,314.84 : 121,875.37 = 48,029.51 : x - Step 2: Convert to fraction form
88,314.84/121,875.37 = 48,029.51/x - Step 3: Cross multiply
88,314.84x = 121,875.37 × 48,029.51 - Step 4: Simplify right side
88,314.84x = 5,853,613,801.23 - Step 5: Solve for x
x = 5,853,613,801.23/88,314.84 - Step 6: Final answer
x = 66,281.20
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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.