Finding the Fourth Proportional to 85,547.34, 118,062.63 and 49,735.08
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Solution
The fourth proportional to 85,547.34, 118,062.63 and 49,735.08 is: 68,638.65
Step by Step Solution
- Step 1: Write the proportion equation
85,547.34 : 118,062.63 = 49,735.08 : x - Step 2: Convert to fraction form
85,547.34/118,062.63 = 49,735.08/x - Step 3: Cross multiply
85,547.34x = 118,062.63 × 49,735.08 - Step 4: Simplify right side
85,547.34x = 5,871,854,348.06 - Step 5: Solve for x
x = 5,871,854,348.06/85,547.34 - Step 6: Final answer
x = 68,638.65
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1.5x scale
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.