Home / 64,557.08-96,748-31,210.72

Finding the Fourth Proportional to 64,557.08, 96,748 and 31,210.72

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Solution

The fourth proportional to 64,557.08, 96,748 and 31,210.72 is: 46,773.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,557.08 : 96,748 = 31,210.72 : x
  2. Step 2: Convert to fraction form
    64,557.08/96,748 = 31,210.72/x
  3. Step 3: Cross multiply
    64,557.08x = 96,748 × 31,210.72
  4. Step 4: Simplify right side
    64,557.08x = 3,019,574,738.56
  5. Step 5: Solve for x
    x = 3,019,574,738.56/64,557.08
  6. Step 6: Final answer
    x = 46,773.72

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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.