Finding the Fourth Proportional to 93,655.15, 129,246.36 and 53,368.05
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Solution
The fourth proportional to 93,655.15, 129,246.36 and 53,368.05 is: 73,649.19
Step by Step Solution
- Step 1: Write the proportion equation
93,655.15 : 129,246.36 = 53,368.05 : x - Step 2: Convert to fraction form
93,655.15/129,246.36 = 53,368.05/x - Step 3: Cross multiply
93,655.15x = 129,246.36 × 53,368.05 - Step 4: Simplify right side
93,655.15x = 6,897,626,202.80 - Step 5: Solve for x
x = 6,897,626,202.80/93,655.15 - Step 6: Final answer
x = 73,649.19
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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.