Finding the Fourth Proportional to 93,271.40, 128,710.77 and 50,829.02
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Solution
The fourth proportional to 93,271.40, 128,710.77 and 50,829.02 is: 70,141.99
Step by Step Solution
- Step 1: Write the proportion equation
93,271.40 : 128,710.77 = 50,829.02 : x - Step 2: Convert to fraction form
93,271.40/128,710.77 = 50,829.02/x - Step 3: Cross multiply
93,271.40x = 128,710.77 × 50,829.02 - Step 4: Simplify right side
93,271.40x = 6,542,241,658.99 - Step 5: Solve for x
x = 6,542,241,658.99/93,271.40 - Step 6: Final answer
x = 70,141.99
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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.