Home / 102,373.76-141,275.93-57,050.75

Finding the Fourth Proportional to 102,373.76, 141,275.93 and 57,050.75

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Solution

The fourth proportional to 102,373.76, 141,275.93 and 57,050.75 is: 78,730.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,373.76 : 141,275.93 = 57,050.75 : x
  2. Step 2: Convert to fraction form
    102,373.76/141,275.93 = 57,050.75/x
  3. Step 3: Cross multiply
    102,373.76x = 141,275.93 × 57,050.75
  4. Step 4: Simplify right side
    102,373.76x = 8,059,896,771.81
  5. Step 5: Solve for x
    x = 8,059,896,771.81/102,373.76
  6. Step 6: Final answer
    x = 78,730.11

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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.