Home / 64,007.20-88,323.78-35,705.80

Finding the Fourth Proportional to 64,007.20, 88,323.78 and 35,705.80

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Solution

The fourth proportional to 64,007.20, 88,323.78 and 35,705.80 is: 49,270.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,007.20 : 88,323.78 = 35,705.80 : x
  2. Step 2: Convert to fraction form
    64,007.20/88,323.78 = 35,705.80/x
  3. Step 3: Cross multiply
    64,007.20x = 88,323.78 × 35,705.80
  4. Step 4: Simplify right side
    64,007.20x = 3,153,671,223.92
  5. Step 5: Solve for x
    x = 3,153,671,223.92/64,007.20
  6. Step 6: Final answer
    x = 49,270.57

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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.