Finding the Fourth Proportional to 83,730.30, 125,488.44 and 39,258.96
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Solution
The fourth proportional to 83,730.30, 125,488.44 and 39,258.96 is: 58,838.27
Step by Step Solution
- Step 1: Write the proportion equation
83,730.30 : 125,488.44 = 39,258.96 : x - Step 2: Convert to fraction form
83,730.30/125,488.44 = 39,258.96/x - Step 3: Cross multiply
83,730.30x = 125,488.44 × 39,258.96 - Step 4: Simplify right side
83,730.30x = 4,926,545,646.42 - Step 5: Solve for x
x = 4,926,545,646.42/83,730.30 - Step 6: Final answer
x = 58,838.27
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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.