Finding the Fourth Proportional to 93,790.36, 129,395.36 and 61,542.76
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Solution
The fourth proportional to 93,790.36, 129,395.36 and 61,542.76 is: 84,905.82
Step by Step Solution
- Step 1: Write the proportion equation
93,790.36 : 129,395.36 = 61,542.76 : x - Step 2: Convert to fraction form
93,790.36/129,395.36 = 61,542.76/x - Step 3: Cross multiply
93,790.36x = 129,395.36 × 61,542.76 - Step 4: Simplify right side
93,790.36x = 7,963,347,585.59 - Step 5: Solve for x
x = 7,963,347,585.59/93,790.36 - Step 6: Final answer
x = 84,905.82
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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.