Home / 90,440.40-124,782.48-52,707.36

Finding the Fourth Proportional to 90,440.40, 124,782.48 and 52,707.36

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Solution

The fourth proportional to 90,440.40, 124,782.48 and 52,707.36 is: 72,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,440.40 : 124,782.48 = 52,707.36 : x
  2. Step 2: Convert to fraction form
    90,440.40/124,782.48 = 52,707.36/x
  3. Step 3: Cross multiply
    90,440.40x = 124,782.48 × 52,707.36
  4. Step 4: Simplify right side
    90,440.40x = 6,576,955,095.05
  5. Step 5: Solve for x
    x = 6,576,955,095.05/90,440.40
  6. Step 6: Final answer
    x = 72,721.43

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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.