Home / 90,048.09-124,275.98-51,809.31

Finding the Fourth Proportional to 90,048.09, 124,275.98 and 51,809.31

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Solution

The fourth proportional to 90,048.09, 124,275.98 and 51,809.31 is: 71,502.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,048.09 : 124,275.98 = 51,809.31 : x
  2. Step 2: Convert to fraction form
    90,048.09/124,275.98 = 51,809.31/x
  3. Step 3: Cross multiply
    90,048.09x = 124,275.98 × 51,809.31
  4. Step 4: Simplify right side
    90,048.09x = 6,438,652,902.90
  5. Step 5: Solve for x
    x = 6,438,652,902.90/90,048.09
  6. Step 6: Final answer
    x = 71,502.38

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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.