Home / 74,009.76-111,031.02-34,545.32

Finding the Fourth Proportional to 74,009.76, 111,031.02 and 34,545.32

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Solution

The fourth proportional to 74,009.76, 111,031.02 and 34,545.32 is: 51,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,009.76 : 111,031.02 = 34,545.32 : x
  2. Step 2: Convert to fraction form
    74,009.76/111,031.02 = 34,545.32/x
  3. Step 3: Cross multiply
    74,009.76x = 111,031.02 × 34,545.32
  4. Step 4: Simplify right side
    74,009.76x = 3,835,602,115.83
  5. Step 5: Solve for x
    x = 3,835,602,115.83/74,009.76
  6. Step 6: Final answer
    x = 51,825.63

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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.