Finding the Fourth Proportional to 93,681.36, 129,281.28 and 51,238.98
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Solution
The fourth proportional to 93,681.36, 129,281.28 and 51,238.98 is: 70,710.34
Step by Step Solution
- Step 1: Write the proportion equation
93,681.36 : 129,281.28 = 51,238.98 : x - Step 2: Convert to fraction form
93,681.36/129,281.28 = 51,238.98/x - Step 3: Cross multiply
93,681.36x = 129,281.28 × 51,238.98 - Step 4: Simplify right side
93,681.36x = 6,624,240,920.29 - Step 5: Solve for x
x = 6,624,240,920.29/93,681.36 - Step 6: Final answer
x = 70,710.34
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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.