Finding the Fourth Proportional to 124,368.68, 171,629.36 and 70,656.65
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Solution
The fourth proportional to 124,368.68, 171,629.36 and 70,656.65 is: 97,506.50
Step by Step Solution
- Step 1: Write the proportion equation
124,368.68 : 171,629.36 = 70,656.65 : x - Step 2: Convert to fraction form
124,368.68/171,629.36 = 70,656.65/x - Step 3: Cross multiply
124,368.68x = 171,629.36 × 70,656.65 - Step 4: Simplify right side
124,368.68x = 12,126,754,761.10 - Step 5: Solve for x
x = 12,126,754,761.10/124,368.68 - Step 6: Final answer
x = 97,506.50
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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.