Finding the Fourth Proportional to 68,005.60, 102,038.64 and 34,708.08
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Solution
The fourth proportional to 68,005.60, 102,038.64 and 34,708.08 is: 52,077.55
Step by Step Solution
- Step 1: Write the proportion equation
68,005.60 : 102,038.64 = 34,708.08 : x - Step 2: Convert to fraction form
68,005.60/102,038.64 = 34,708.08/x - Step 3: Cross multiply
68,005.60x = 102,038.64 × 34,708.08 - Step 4: Simplify right side
68,005.60x = 3,541,565,280.21 - Step 5: Solve for x
x = 3,541,565,280.21/68,005.60 - Step 6: Final answer
x = 52,077.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.