Home / 92,852.10-128,136.12-50,409.72

Finding the Fourth Proportional to 92,852.10, 128,136.12 and 50,409.72

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Solution

The fourth proportional to 92,852.10, 128,136.12 and 50,409.72 is: 69,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,852.10 : 128,136.12 = 50,409.72 : x
  2. Step 2: Convert to fraction form
    92,852.10/128,136.12 = 50,409.72/x
  3. Step 3: Cross multiply
    92,852.10x = 128,136.12 × 50,409.72
  4. Step 4: Simplify right side
    92,852.10x = 6,459,305,931.09
  5. Step 5: Solve for x
    x = 6,459,305,931.09/92,852.10
  6. Step 6: Final answer
    x = 69,565.53

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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.