Finding the Fourth Proportional to 83,637.69, 125,292.50 and 48,503.53
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Solution
The fourth proportional to 83,637.69, 125,292.50 and 48,503.53 is: 72,660.17
Step by Step Solution
- Step 1: Write the proportion equation
83,637.69 : 125,292.50 = 48,503.53 : x - Step 2: Convert to fraction form
83,637.69/125,292.50 = 48,503.53/x - Step 3: Cross multiply
83,637.69x = 125,292.50 × 48,503.53 - Step 4: Simplify right side
83,637.69x = 6,077,128,532.53 - Step 5: Solve for x
x = 6,077,128,532.53/83,637.69 - Step 6: Final answer
x = 72,660.17
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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.