Home / 93,883.15-139,987.29-83,451.16

Finding the Fourth Proportional to 93,883.15, 139,987.29 and 83,451.16

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Solution

The fourth proportional to 93,883.15, 139,987.29 and 83,451.16 is: 124,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,883.15 : 139,987.29 = 83,451.16 : x
  2. Step 2: Convert to fraction form
    93,883.15/139,987.29 = 83,451.16/x
  3. Step 3: Cross multiply
    93,883.15x = 139,987.29 × 83,451.16
  4. Step 4: Simplify right side
    93,883.15x = 11,682,101,754.27
  5. Step 5: Solve for x
    x = 11,682,101,754.27/93,883.15
  6. Step 6: Final answer
    x = 124,432.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.