Home / 64,521.55-89,031.48-37,657.90

Finding the Fourth Proportional to 64,521.55, 89,031.48 and 37,657.90

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Solution

The fourth proportional to 64,521.55, 89,031.48 and 37,657.90 is: 51,963.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,521.55 : 89,031.48 = 37,657.90 : x
  2. Step 2: Convert to fraction form
    64,521.55/89,031.48 = 37,657.90/x
  3. Step 3: Cross multiply
    64,521.55x = 89,031.48 × 37,657.90
  4. Step 4: Simplify right side
    64,521.55x = 3,352,738,125.53
  5. Step 5: Solve for x
    x = 3,352,738,125.53/64,521.55
  6. Step 6: Final answer
    x = 51,963.08

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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.