Finding the Fourth Proportional to 77,029.08, 106,277.58 and 45,199.32
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Solution
The fourth proportional to 77,029.08, 106,277.58 and 45,199.32 is: 62,361.83
Step by Step Solution
- Step 1: Write the proportion equation
77,029.08 : 106,277.58 = 45,199.32 : x - Step 2: Convert to fraction form
77,029.08/106,277.58 = 45,199.32/x - Step 3: Cross multiply
77,029.08x = 106,277.58 × 45,199.32 - Step 4: Simplify right side
77,029.08x = 4,803,674,347.25 - Step 5: Solve for x
x = 4,803,674,347.25/77,029.08 - Step 6: Final answer
x = 62,361.83
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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.