Home / 70,865.04-106,098.84-37,509.72

Finding the Fourth Proportional to 70,865.04, 106,098.84 and 37,509.72

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Solution

The fourth proportional to 70,865.04, 106,098.84 and 37,509.72 is: 56,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,865.04 : 106,098.84 = 37,509.72 : x
  2. Step 2: Convert to fraction form
    70,865.04/106,098.84 = 37,509.72/x
  3. Step 3: Cross multiply
    70,865.04x = 106,098.84 × 37,509.72
  4. Step 4: Simplify right side
    70,865.04x = 3,979,737,780.72
  5. Step 5: Solve for x
    x = 3,979,737,780.72/70,865.04
  6. Step 6: Final answer
    x = 56,159.40

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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.