Finding the Fourth Proportional to 97,130.79, 145,706.63 and 30,572.91
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Solution
The fourth proportional to 97,130.79, 145,706.63 and 30,572.91 is: 45,862.65
Step by Step Solution
- Step 1: Write the proportion equation
97,130.79 : 145,706.63 = 30,572.91 : x - Step 2: Convert to fraction form
97,130.79/145,706.63 = 30,572.91/x - Step 3: Cross multiply
97,130.79x = 145,706.63 × 30,572.91 - Step 4: Simplify right side
97,130.79x = 4,454,675,532.53 - Step 5: Solve for x
x = 4,454,675,532.53/97,130.79 - Step 6: Final answer
x = 45,862.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.