Finding the Fourth Proportional to 97,029.18, 133,856.02 and 70,129.08
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Solution
The fourth proportional to 97,029.18, 133,856.02 and 70,129.08 is: 96,746.15
Step by Step Solution
- Step 1: Write the proportion equation
97,029.18 : 133,856.02 = 70,129.08 : x - Step 2: Convert to fraction form
97,029.18/133,856.02 = 70,129.08/x - Step 3: Cross multiply
97,029.18x = 133,856.02 × 70,129.08 - Step 4: Simplify right side
97,029.18x = 9,387,199,535.06 - Step 5: Solve for x
x = 9,387,199,535.06/97,029.18 - Step 6: Final answer
x = 96,746.15
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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.