Home / 99,040.24-136,674.30-53,717.50

Finding the Fourth Proportional to 99,040.24, 136,674.30 and 53,717.50

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Solution

The fourth proportional to 99,040.24, 136,674.30 and 53,717.50 is: 74,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,040.24 : 136,674.30 = 53,717.50 : x
  2. Step 2: Convert to fraction form
    99,040.24/136,674.30 = 53,717.50/x
  3. Step 3: Cross multiply
    99,040.24x = 136,674.30 × 53,717.50
  4. Step 4: Simplify right side
    99,040.24x = 7,341,801,710.25
  5. Step 5: Solve for x
    x = 7,341,801,710.25/99,040.24
  6. Step 6: Final answer
    x = 74,129.48

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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.