Finding the Fourth Proportional to 88,013.08, 121,457.73 and 47,726.74
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Solution
The fourth proportional to 88,013.08, 121,457.73 and 47,726.74 is: 65,862.73
Step by Step Solution
- Step 1: Write the proportion equation
88,013.08 : 121,457.73 = 47,726.74 : x - Step 2: Convert to fraction form
88,013.08/121,457.73 = 47,726.74/x - Step 3: Cross multiply
88,013.08x = 121,457.73 × 47,726.74 - Step 4: Simplify right side
88,013.08x = 5,796,781,500.70 - Step 5: Solve for x
x = 5,796,781,500.70/88,013.08 - Step 6: Final answer
x = 65,862.73
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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.