Finding the Fourth Proportional to 88,032.58, 121,484.61 and 47,746.18
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Solution
The fourth proportional to 88,032.58, 121,484.61 and 47,746.18 is: 65,889.54
Step by Step Solution
- Step 1: Write the proportion equation
88,032.58 : 121,484.61 = 47,746.18 : x - Step 2: Convert to fraction form
88,032.58/121,484.61 = 47,746.18/x - Step 3: Cross multiply
88,032.58x = 121,484.61 × 47,746.18 - Step 4: Simplify right side
88,032.58x = 5,800,426,056.29 - Step 5: Solve for x
x = 5,800,426,056.29/88,032.58 - Step 6: Final answer
x = 65,889.54
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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.