Finding the Fourth Proportional to 88,317.99, 121,878.27 and 48,031.02
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Solution
The fourth proportional to 88,317.99, 121,878.27 and 48,031.02 is: 66,282.51
Step by Step Solution
- Step 1: Write the proportion equation
88,317.99 : 121,878.27 = 48,031.02 : x - Step 2: Convert to fraction form
88,317.99/121,878.27 = 48,031.02/x - Step 3: Cross multiply
88,317.99x = 121,878.27 × 48,031.02 - Step 4: Simplify right side
88,317.99x = 5,853,937,623.94 - Step 5: Solve for x
x = 5,853,937,623.94/88,317.99 - Step 6: Final answer
x = 66,282.51
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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.