Finding the Fourth Proportional to 93,759.23, 129,387.74 and 51,317.76
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Solution
The fourth proportional to 93,759.23, 129,387.74 and 51,317.76 is: 70,818.51
Step by Step Solution
- Step 1: Write the proportion equation
93,759.23 : 129,387.74 = 51,317.76 : x - Step 2: Convert to fraction form
93,759.23/129,387.74 = 51,317.76/x - Step 3: Cross multiply
93,759.23x = 129,387.74 × 51,317.76 - Step 4: Simplify right side
93,759.23x = 6,639,888,988.26 - Step 5: Solve for x
x = 6,639,888,988.26/93,759.23 - Step 6: Final answer
x = 70,818.51
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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.