Finding the Fourth Proportional to 97,831.79, 135,028.99 and 59,603.84
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Solution
The fourth proportional to 97,831.79, 135,028.99 and 59,603.84 is: 82,266.17
Step by Step Solution
- Step 1: Write the proportion equation
97,831.79 : 135,028.99 = 59,603.84 : x - Step 2: Convert to fraction form
97,831.79/135,028.99 = 59,603.84/x - Step 3: Cross multiply
97,831.79x = 135,028.99 × 59,603.84 - Step 4: Simplify right side
97,831.79x = 8,048,246,315.32 - Step 5: Solve for x
x = 8,048,246,315.32/97,831.79 - Step 6: Final answer
x = 82,266.17
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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.