Finding the Fourth Proportional to 86,863.95, 119,878.08 and 48,626.91
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Solution
The fourth proportional to 86,863.95, 119,878.08 and 48,626.91 is: 67,108.40
Step by Step Solution
- Step 1: Write the proportion equation
86,863.95 : 119,878.08 = 48,626.91 : x - Step 2: Convert to fraction form
86,863.95/119,878.08 = 48,626.91/x - Step 3: Cross multiply
86,863.95x = 119,878.08 × 48,626.91 - Step 4: Simplify right side
86,863.95x = 5,829,300,607.13 - Step 5: Solve for x
x = 5,829,300,607.13/86,863.95 - Step 6: Final answer
x = 67,108.40
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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.