Finding the Fourth Proportional to 93,270.26, 128,417.84 and 84,746.87
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Solution
The fourth proportional to 93,270.26, 128,417.84 and 84,746.87 is: 116,682.53
Step by Step Solution
- Step 1: Write the proportion equation
93,270.26 : 128,417.84 = 84,746.87 : x - Step 2: Convert to fraction form
93,270.26/128,417.84 = 84,746.87/x - Step 3: Cross multiply
93,270.26x = 128,417.84 × 84,746.87 - Step 4: Simplify right side
93,270.26x = 10,883,008,926.34 - Step 5: Solve for x
x = 10,883,008,926.34/93,270.26 - Step 6: Final answer
x = 116,682.53
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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.