Finding the Fourth Proportional to 97,107.14, 133,931.12 and 63,566.66
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Solution
The fourth proportional to 97,107.14, 133,931.12 and 63,566.66 is: 87,671.76
Step by Step Solution
- Step 1: Write the proportion equation
97,107.14 : 133,931.12 = 63,566.66 : x - Step 2: Convert to fraction form
97,107.14/133,931.12 = 63,566.66/x - Step 3: Cross multiply
97,107.14x = 133,931.12 × 63,566.66 - Step 4: Simplify right side
97,107.14x = 8,513,553,968.46 - Step 5: Solve for x
x = 8,513,553,968.46/97,107.14 - Step 6: Final answer
x = 87,671.76
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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.