Home / 82,743.15-124,114.73-43,312.35

Finding the Fourth Proportional to 82,743.15, 124,114.73 and 43,312.35

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Solution

The fourth proportional to 82,743.15, 124,114.73 and 43,312.35 is: 64,968.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,743.15 : 124,114.73 = 43,312.35 : x
  2. Step 2: Convert to fraction form
    82,743.15/124,114.73 = 43,312.35/x
  3. Step 3: Cross multiply
    82,743.15x = 124,114.73 × 43,312.35
  4. Step 4: Simplify right side
    82,743.15x = 5,375,700,409.35
  5. Step 5: Solve for x
    x = 5,375,700,409.35/82,743.15
  6. Step 6: Final answer
    x = 64,968.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.