Finding the Fourth Proportional to 97,075.08, 133,966.80 and 56,793.06
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Solution
The fourth proportional to 97,075.08, 133,966.80 and 56,793.06 is: 78,376.29
Step by Step Solution
- Step 1: Write the proportion equation
97,075.08 : 133,966.80 = 56,793.06 : x - Step 2: Convert to fraction form
97,075.08/133,966.80 = 56,793.06/x - Step 3: Cross multiply
97,075.08x = 133,966.80 × 56,793.06 - Step 4: Simplify right side
97,075.08x = 7,608,384,510.41 - Step 5: Solve for x
x = 7,608,384,510.41/97,075.08 - Step 6: Final answer
x = 78,376.29
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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.