Finding the Fourth Proportional to 98,989.47, 136,595.24 and 60,750.63
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Solution
The fourth proportional to 98,989.47, 136,595.24 and 60,750.63 is: 83,829.59
Step by Step Solution
- Step 1: Write the proportion equation
98,989.47 : 136,595.24 = 60,750.63 : x - Step 2: Convert to fraction form
98,989.47/136,595.24 = 60,750.63/x - Step 3: Cross multiply
98,989.47x = 136,595.24 × 60,750.63 - Step 4: Simplify right side
98,989.47x = 8,298,246,809.06 - Step 5: Solve for x
x = 8,298,246,809.06/98,989.47 - Step 6: Final answer
x = 83,829.59
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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.