Home / 72,237.07-99,581.06-50,661.40

Finding the Fourth Proportional to 72,237.07, 99,581.06 and 50,661.40

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Solution

The fourth proportional to 72,237.07, 99,581.06 and 50,661.40 is: 69,838.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,237.07 : 99,581.06 = 50,661.40 : x
  2. Step 2: Convert to fraction form
    72,237.07/99,581.06 = 50,661.40/x
  3. Step 3: Cross multiply
    72,237.07x = 99,581.06 × 50,661.40
  4. Step 4: Simplify right side
    72,237.07x = 5,044,915,763.77
  5. Step 5: Solve for x
    x = 5,044,915,763.77/72,237.07
  6. Step 6: Final answer
    x = 69,838.33

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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.