Finding the Fourth Proportional to 93,995.60, 129,718.68 and 51,558.08
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Solution
The fourth proportional to 93,995.60, 129,718.68 and 51,558.08 is: 71,152.76
Step by Step Solution
- Step 1: Write the proportion equation
93,995.60 : 129,718.68 = 51,558.08 : x - Step 2: Convert to fraction form
93,995.60/129,718.68 = 51,558.08/x - Step 3: Cross multiply
93,995.60x = 129,718.68 × 51,558.08 - Step 4: Simplify right side
93,995.60x = 6,688,046,080.93 - Step 5: Solve for x
x = 6,688,046,080.93/93,995.60 - Step 6: Final answer
x = 71,152.76
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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.