Home / 64,431.35-89,000.43-53,711.24

Finding the Fourth Proportional to 64,431.35, 89,000.43 and 53,711.24

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Solution

The fourth proportional to 64,431.35, 89,000.43 and 53,711.24 is: 74,192.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,431.35 : 89,000.43 = 53,711.24 : x
  2. Step 2: Convert to fraction form
    64,431.35/89,000.43 = 53,711.24/x
  3. Step 3: Cross multiply
    64,431.35x = 89,000.43 × 53,711.24
  4. Step 4: Simplify right side
    64,431.35x = 4,780,323,455.83
  5. Step 5: Solve for x
    x = 4,780,323,455.83/64,431.35
  6. Step 6: Final answer
    x = 74,192.51

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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.