Finding the Fourth Proportional to 93,261.99, 128,696.95 and 52,970.46
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Solution
The fourth proportional to 93,261.99, 128,696.95 and 52,970.46 is: 73,096.62
Step by Step Solution
- Step 1: Write the proportion equation
93,261.99 : 128,696.95 = 52,970.46 : x - Step 2: Convert to fraction form
93,261.99/128,696.95 = 52,970.46/x - Step 3: Cross multiply
93,261.99x = 128,696.95 × 52,970.46 - Step 4: Simplify right side
93,261.99x = 6,817,136,642.10 - Step 5: Solve for x
x = 6,817,136,642.10/93,261.99 - Step 6: Final answer
x = 73,096.62
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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.