Finding the Fourth Proportional to 75,029.68, 103,572.84 and 46,749.34
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Solution
The fourth proportional to 75,029.68, 103,572.84 and 46,749.34 is: 64,533.95
Step by Step Solution
- Step 1: Write the proportion equation
75,029.68 : 103,572.84 = 46,749.34 : x - Step 2: Convert to fraction form
75,029.68/103,572.84 = 46,749.34/x - Step 3: Cross multiply
75,029.68x = 103,572.84 × 46,749.34 - Step 4: Simplify right side
75,029.68x = 4,841,961,911.93 - Step 5: Solve for x
x = 4,841,961,911.93/75,029.68 - Step 6: Final answer
x = 64,533.95
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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.