Finding the Fourth Proportional to 70,967.06, 106,330.08 and 42,827.99
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Solution
The fourth proportional to 70,967.06, 106,330.08 and 42,827.99 is: 64,169.26
Step by Step Solution
- Step 1: Write the proportion equation
70,967.06 : 106,330.08 = 42,827.99 : x - Step 2: Convert to fraction form
70,967.06/106,330.08 = 42,827.99/x - Step 3: Cross multiply
70,967.06x = 106,330.08 × 42,827.99 - Step 4: Simplify right side
70,967.06x = 4,553,903,602.94 - Step 5: Solve for x
x = 4,553,903,602.94/70,967.06 - Step 6: Final answer
x = 64,169.26
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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.