Finding the Fourth Proportional to 93,400.99, 128,888.08 and 53,124.55
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Solution
The fourth proportional to 93,400.99, 128,888.08 and 53,124.55 is: 73,308.87
Step by Step Solution
- Step 1: Write the proportion equation
93,400.99 : 128,888.08 = 53,124.55 : x - Step 2: Convert to fraction form
93,400.99/128,888.08 = 53,124.55/x - Step 3: Cross multiply
93,400.99x = 128,888.08 × 53,124.55 - Step 4: Simplify right side
93,400.99x = 6,847,121,250.36 - Step 5: Solve for x
x = 6,847,121,250.36/93,400.99 - Step 6: Final answer
x = 73,308.87
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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.