Finding the Fourth Proportional to 125,641.68, 173,386.08 and 69,056.70
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Solution
The fourth proportional to 125,641.68, 173,386.08 and 69,056.70 is: 95,298.55
Step by Step Solution
- Step 1: Write the proportion equation
125,641.68 : 173,386.08 = 69,056.70 : x - Step 2: Convert to fraction form
125,641.68/173,386.08 = 69,056.70/x - Step 3: Cross multiply
125,641.68x = 173,386.08 × 69,056.70 - Step 4: Simplify right side
125,641.68x = 11,973,470,510.74 - Step 5: Solve for x
x = 11,973,470,510.74/125,641.68 - Step 6: Final answer
x = 95,298.55
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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.