Home / 102,670.48-141,678.60-59,646.16

Finding the Fourth Proportional to 102,670.48, 141,678.60 and 59,646.16

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Solution

The fourth proportional to 102,670.48, 141,678.60 and 59,646.16 is: 82,307.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,670.48 : 141,678.60 = 59,646.16 : x
  2. Step 2: Convert to fraction form
    102,670.48/141,678.60 = 59,646.16/x
  3. Step 3: Cross multiply
    102,670.48x = 141,678.60 × 59,646.16
  4. Step 4: Simplify right side
    102,670.48x = 8,450,584,444.18
  5. Step 5: Solve for x
    x = 8,450,584,444.18/102,670.48
  6. Step 6: Final answer
    x = 82,307.83

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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.