Finding the Fourth Proportional to 106,587.60, 147,091.40 and 58,840.08
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Solution
The fourth proportional to 106,587.60, 147,091.40 and 58,840.08 is: 81,199.59
Step by Step Solution
- Step 1: Write the proportion equation
106,587.60 : 147,091.40 = 58,840.08 : x - Step 2: Convert to fraction form
106,587.60/147,091.40 = 58,840.08/x - Step 3: Cross multiply
106,587.60x = 147,091.40 × 58,840.08 - Step 4: Simplify right side
106,587.60x = 8,654,869,743.31 - Step 5: Solve for x
x = 8,654,869,743.31/106,587.60 - Step 6: Final answer
x = 81,199.59
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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.