Finding the Fourth Proportional to 93,641.21, 129,224.86 and 51,199.74
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Solution
The fourth proportional to 93,641.21, 129,224.86 and 51,199.74 is: 70,655.63
Step by Step Solution
- Step 1: Write the proportion equation
93,641.21 : 129,224.86 = 51,199.74 : x - Step 2: Convert to fraction form
93,641.21/129,224.86 = 51,199.74/x - Step 3: Cross multiply
93,641.21x = 129,224.86 × 51,199.74 - Step 4: Simplify right side
93,641.21x = 6,616,278,587.41 - Step 5: Solve for x
x = 6,616,278,587.41/93,641.21 - Step 6: Final answer
x = 70,655.63
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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.