Finding the Fourth Proportional to 70,966.06, 106,328.58 and 42,826.99
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Solution
The fourth proportional to 70,966.06, 106,328.58 and 42,826.99 is: 64,167.76
Step by Step Solution
- Step 1: Write the proportion equation
70,966.06 : 106,328.58 = 42,826.99 : x - Step 2: Convert to fraction form
70,966.06/106,328.58 = 42,826.99/x - Step 3: Cross multiply
70,966.06x = 106,328.58 × 42,826.99 - Step 4: Simplify right side
70,966.06x = 4,553,732,500.73 - Step 5: Solve for x
x = 4,553,732,500.73/70,966.06 - Step 6: Final answer
x = 64,167.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.