Finding the Fourth Proportional to 83,730.65, 125,702.60 and 54,271.76
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Solution
The fourth proportional to 83,730.65, 125,702.60 and 54,271.76 is: 81,476.75
Step by Step Solution
- Step 1: Write the proportion equation
83,730.65 : 125,702.60 = 54,271.76 : x - Step 2: Convert to fraction form
83,730.65/125,702.60 = 54,271.76/x - Step 3: Cross multiply
83,730.65x = 125,702.60 × 54,271.76 - Step 4: Simplify right side
83,730.65x = 6,822,101,381.47 - Step 5: Solve for x
x = 6,822,101,381.47/83,730.65 - Step 6: Final answer
x = 81,476.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.