Home / 64,416.28-96,515.08-31,152

Finding the Fourth Proportional to 64,416.28, 96,515.08 and 31,152

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Solution

The fourth proportional to 64,416.28, 96,515.08 and 31,152 is: 46,675.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,416.28 : 96,515.08 = 31,152 : x
  2. Step 2: Convert to fraction form
    64,416.28/96,515.08 = 31,152/x
  3. Step 3: Cross multiply
    64,416.28x = 96,515.08 × 31,152
  4. Step 4: Simplify right side
    64,416.28x = 3,006,637,772.16
  5. Step 5: Solve for x
    x = 3,006,637,772.16/64,416.28
  6. Step 6: Final answer
    x = 46,675.12

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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.