Home / 53,547.48-80,446.32-31,376.16

Finding the Fourth Proportional to 53,547.48, 80,446.32 and 31,376.16

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Solution

The fourth proportional to 53,547.48, 80,446.32 and 31,376.16 is: 47,137.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,547.48 : 80,446.32 = 31,376.16 : x
  2. Step 2: Convert to fraction form
    53,547.48/80,446.32 = 31,376.16/x
  3. Step 3: Cross multiply
    53,547.48x = 80,446.32 × 31,376.16
  4. Step 4: Simplify right side
    53,547.48x = 2,524,096,607.73
  5. Step 5: Solve for x
    x = 2,524,096,607.73/53,547.48
  6. Step 6: Final answer
    x = 47,137.54

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1.5x scale

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.