Finding the Fourth Proportional to 98,746.14, 136,127.88 and 70,402.62
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Solution
The fourth proportional to 98,746.14, 136,127.88 and 70,402.62 is: 97,054.52
Step by Step Solution
- Step 1: Write the proportion equation
98,746.14 : 136,127.88 = 70,402.62 : x - Step 2: Convert to fraction form
98,746.14/136,127.88 = 70,402.62/x - Step 3: Cross multiply
98,746.14x = 136,127.88 × 70,402.62 - Step 4: Simplify right side
98,746.14x = 9,583,759,407.05 - Step 5: Solve for x
x = 9,583,759,407.05/98,746.14 - Step 6: Final answer
x = 97,054.52
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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.