Finding the Fourth Proportional to 93,834.81, 129,495.12 and 51,395.67
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Solution
The fourth proportional to 93,834.81, 129,495.12 and 51,395.67 is: 70,927.71
Step by Step Solution
- Step 1: Write the proportion equation
93,834.81 : 129,495.12 = 51,395.67 : x - Step 2: Convert to fraction form
93,834.81/129,495.12 = 51,395.67/x - Step 3: Cross multiply
93,834.81x = 129,495.12 × 51,395.67 - Step 4: Simplify right side
93,834.81x = 6,655,488,454.13 - Step 5: Solve for x
x = 6,655,488,454.13/93,834.81 - Step 6: Final answer
x = 70,927.71
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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.