Home / 58,545.08-87,831.29-19,102.08

Finding the Fourth Proportional to 58,545.08, 87,831.29 and 19,102.08

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Solution

The fourth proportional to 58,545.08, 87,831.29 and 19,102.08 is: 28,657.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,545.08 : 87,831.29 = 19,102.08 : x
  2. Step 2: Convert to fraction form
    58,545.08/87,831.29 = 19,102.08/x
  3. Step 3: Cross multiply
    58,545.08x = 87,831.29 × 19,102.08
  4. Step 4: Simplify right side
    58,545.08x = 1,677,760,103.71
  5. Step 5: Solve for x
    x = 1,677,760,103.71/58,545.08
  6. Step 6: Final answer
    x = 28,657.58

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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.