Home / 87,752.49-121,098.09-47,466.20

Finding the Fourth Proportional to 87,752.49, 121,098.09 and 47,466.20

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Solution

The fourth proportional to 87,752.49, 121,098.09 and 47,466.20 is: 65,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,752.49 : 121,098.09 = 47,466.20 : x
  2. Step 2: Convert to fraction form
    87,752.49/121,098.09 = 47,466.20/x
  3. Step 3: Cross multiply
    87,752.49x = 121,098.09 × 47,466.20
  4. Step 4: Simplify right side
    87,752.49x = 5,748,066,159.56
  5. Step 5: Solve for x
    x = 5,748,066,159.56/87,752.49
  6. Step 6: Final answer
    x = 65,503.17

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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.