Home / 51,430.43-77,117.90-23,335.16

Finding the Fourth Proportional to 51,430.43, 77,117.90 and 23,335.16

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Solution

The fourth proportional to 51,430.43, 77,117.90 and 23,335.16 is: 34,990.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,430.43 : 77,117.90 = 23,335.16 : x
  2. Step 2: Convert to fraction form
    51,430.43/77,117.90 = 23,335.16/x
  3. Step 3: Cross multiply
    51,430.43x = 77,117.90 × 23,335.16
  4. Step 4: Simplify right side
    51,430.43x = 1,799,558,033.10
  5. Step 5: Solve for x
    x = 1,799,558,033.10/51,430.43
  6. Step 6: Final answer
    x = 34,990.15

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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.