Home / 102,518.79-153,760.45-46,345.83

Finding the Fourth Proportional to 102,518.79, 153,760.45 and 46,345.83

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Solution

The fourth proportional to 102,518.79, 153,760.45 and 46,345.83 is: 69,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,518.79 : 153,760.45 = 46,345.83 : x
  2. Step 2: Convert to fraction form
    102,518.79/153,760.45 = 46,345.83/x
  3. Step 3: Cross multiply
    102,518.79x = 153,760.45 × 46,345.83
  4. Step 4: Simplify right side
    102,518.79x = 7,126,155,252.49
  5. Step 5: Solve for x
    x = 7,126,155,252.49/102,518.79
  6. Step 6: Final answer
    x = 69,510.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.