Home / 65,688.12-90,644.45-37,006.52

Finding the Fourth Proportional to 65,688.12, 90,644.45 and 37,006.52

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Solution

The fourth proportional to 65,688.12, 90,644.45 and 37,006.52 is: 51,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,688.12 : 90,644.45 = 37,006.52 : x
  2. Step 2: Convert to fraction form
    65,688.12/90,644.45 = 37,006.52/x
  3. Step 3: Cross multiply
    65,688.12x = 90,644.45 × 37,006.52
  4. Step 4: Simplify right side
    65,688.12x = 3,354,435,013.56
  5. Step 5: Solve for x
    x = 3,354,435,013.56/65,688.12
  6. Step 6: Final answer
    x = 51,066.08

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1.5x scale

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.