Finding the Fourth Proportional to 93,025.68, 128,228.06 and 85,303.02
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Solution
The fourth proportional to 93,025.68, 128,228.06 and 85,303.02 is: 117,583.02
Step by Step Solution
- Step 1: Write the proportion equation
93,025.68 : 128,228.06 = 85,303.02 : x - Step 2: Convert to fraction form
93,025.68/128,228.06 = 85,303.02/x - Step 3: Cross multiply
93,025.68x = 128,228.06 × 85,303.02 - Step 4: Simplify right side
93,025.68x = 10,938,240,766.74 - Step 5: Solve for x
x = 10,938,240,766.74/93,025.68 - Step 6: Final answer
x = 117,583.02
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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.