Home / 64,263.96-88,671.67-40,376.80

Finding the Fourth Proportional to 64,263.96, 88,671.67 and 40,376.80

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Solution

The fourth proportional to 64,263.96, 88,671.67 and 40,376.80 is: 55,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,263.96 : 88,671.67 = 40,376.80 : x
  2. Step 2: Convert to fraction form
    64,263.96/88,671.67 = 40,376.80/x
  3. Step 3: Cross multiply
    64,263.96x = 88,671.67 × 40,376.80
  4. Step 4: Simplify right side
    64,263.96x = 3,580,277,864.29
  5. Step 5: Solve for x
    x = 3,580,277,864.29/64,263.96
  6. Step 6: Final answer
    x = 55,712.06

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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.