Home / 64,120.42-88,490.75-35,439.46

Finding the Fourth Proportional to 64,120.42, 88,490.75 and 35,439.46

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Solution

The fourth proportional to 64,120.42, 88,490.75 and 35,439.46 is: 48,908.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,120.42 : 88,490.75 = 35,439.46 : x
  2. Step 2: Convert to fraction form
    64,120.42/88,490.75 = 35,439.46/x
  3. Step 3: Cross multiply
    64,120.42x = 88,490.75 × 35,439.46
  4. Step 4: Simplify right side
    64,120.42x = 3,136,064,395.00
  5. Step 5: Solve for x
    x = 3,136,064,395.00/64,120.42
  6. Step 6: Final answer
    x = 48,908.98

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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.