Finding the Fourth Proportional to 87,885.06, 121,281.56 and 48,594.41
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Solution
The fourth proportional to 87,885.06, 121,281.56 and 48,594.41 is: 67,060.38
Step by Step Solution
- Step 1: Write the proportion equation
87,885.06 : 121,281.56 = 48,594.41 : x - Step 2: Convert to fraction form
87,885.06/121,281.56 = 48,594.41/x - Step 3: Cross multiply
87,885.06x = 121,281.56 × 48,594.41 - Step 4: Simplify right side
87,885.06x = 5,893,605,852.08 - Step 5: Solve for x
x = 5,893,605,852.08/87,885.06 - Step 6: Final answer
x = 67,060.38
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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.