Finding the Fourth Proportional to 76,885.06, 106,083.30 and 46,669.63
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Solution
The fourth proportional to 76,885.06, 106,083.30 and 46,669.63 is: 64,393.11
Step by Step Solution
- Step 1: Write the proportion equation
76,885.06 : 106,083.30 = 46,669.63 : x - Step 2: Convert to fraction form
76,885.06/106,083.30 = 46,669.63/x - Step 3: Cross multiply
76,885.06x = 106,083.30 × 46,669.63 - Step 4: Simplify right side
76,885.06x = 4,950,867,829.76 - Step 5: Solve for x
x = 4,950,867,829.76/76,885.06 - Step 6: Final answer
x = 64,393.11
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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.