Finding the Fourth Proportional to 93,363.36, 128,841.36 and 50,921.76
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Solution
The fourth proportional to 93,363.36, 128,841.36 and 50,921.76 is: 70,271.99
Step by Step Solution
- Step 1: Write the proportion equation
93,363.36 : 128,841.36 = 50,921.76 : x - Step 2: Convert to fraction form
93,363.36/128,841.36 = 50,921.76/x - Step 3: Cross multiply
93,363.36x = 128,841.36 × 50,921.76 - Step 4: Simplify right side
93,363.36x = 6,560,828,811.99 - Step 5: Solve for x
x = 6,560,828,811.99/93,363.36 - Step 6: Final answer
x = 70,271.99
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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.