Finding the Fourth Proportional to 93,885.99, 129,562.74 and 55,664.40
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Solution
The fourth proportional to 93,885.99, 129,562.74 and 55,664.40 is: 76,816.92
Step by Step Solution
- Step 1: Write the proportion equation
93,885.99 : 129,562.74 = 55,664.40 : x - Step 2: Convert to fraction form
93,885.99/129,562.74 = 55,664.40/x - Step 3: Cross multiply
93,885.99x = 129,562.74 × 55,664.40 - Step 4: Simplify right side
93,885.99x = 7,212,032,184.46 - Step 5: Solve for x
x = 7,212,032,184.46/93,885.99 - Step 6: Final answer
x = 76,816.92
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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.