Finding the Fourth Proportional to 93,406.19, 128,901.04 and 50,965.63
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Solution
The fourth proportional to 93,406.19, 128,901.04 and 50,965.63 is: 70,332.84
Step by Step Solution
- Step 1: Write the proportion equation
93,406.19 : 128,901.04 = 50,965.63 : x - Step 2: Convert to fraction form
93,406.19/128,901.04 = 50,965.63/x - Step 3: Cross multiply
93,406.19x = 128,901.04 × 50,965.63 - Step 4: Simplify right side
93,406.19x = 6,569,522,261.59 - Step 5: Solve for x
x = 6,569,522,261.59/93,406.19 - Step 6: Final answer
x = 70,332.84
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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.