Finding the Fourth Proportional to 93,058.08, 128,378.96 and 62,020.48
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Solution
The fourth proportional to 93,058.08, 128,378.96 and 62,020.48 is: 85,560.81
Step by Step Solution
- Step 1: Write the proportion equation
93,058.08 : 128,378.96 = 62,020.48 : x - Step 2: Convert to fraction form
93,058.08/128,378.96 = 62,020.48/x - Step 3: Cross multiply
93,058.08x = 128,378.96 × 62,020.48 - Step 4: Simplify right side
93,058.08x = 7,962,124,721.10 - Step 5: Solve for x
x = 7,962,124,721.10/93,058.08 - Step 6: Final answer
x = 85,560.81
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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.