Home / 102,875.04-141,989.76-62,601.75

Finding the Fourth Proportional to 102,875.04, 141,989.76 and 62,601.75

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Solution

The fourth proportional to 102,875.04, 141,989.76 and 62,601.75 is: 86,403.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,875.04 : 141,989.76 = 62,601.75 : x
  2. Step 2: Convert to fraction form
    102,875.04/141,989.76 = 62,601.75/x
  3. Step 3: Cross multiply
    102,875.04x = 141,989.76 × 62,601.75
  4. Step 4: Simplify right side
    102,875.04x = 8,888,807,458.08
  5. Step 5: Solve for x
    x = 8,888,807,458.08/102,875.04
  6. Step 6: Final answer
    x = 86,403.93

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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.