Finding the Fourth Proportional to 93,484.08, 129,007.08 and 57,659.76
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Solution
The fourth proportional to 93,484.08, 129,007.08 and 57,659.76 is: 79,569.88
Step by Step Solution
- Step 1: Write the proportion equation
93,484.08 : 129,007.08 = 57,659.76 : x - Step 2: Convert to fraction form
93,484.08/129,007.08 = 57,659.76/x - Step 3: Cross multiply
93,484.08x = 129,007.08 × 57,659.76 - Step 4: Simplify right side
93,484.08x = 7,438,517,271.10 - Step 5: Solve for x
x = 7,438,517,271.10/93,484.08 - Step 6: Final answer
x = 79,569.88
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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.