Finding the Fourth Proportional to 74,124.08, 102,292.48 and 40,587.92
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Solution
The fourth proportional to 74,124.08, 102,292.48 and 40,587.92 is: 56,012.01
Step by Step Solution
- Step 1: Write the proportion equation
74,124.08 : 102,292.48 = 40,587.92 : x - Step 2: Convert to fraction form
74,124.08/102,292.48 = 40,587.92/x - Step 3: Cross multiply
74,124.08x = 102,292.48 × 40,587.92 - Step 4: Simplify right side
74,124.08x = 4,151,838,994.84 - Step 5: Solve for x
x = 4,151,838,994.84/74,124.08 - Step 6: Final answer
x = 56,012.01
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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.