Home / 92,921.77-139,038.20-55,502.20

Finding the Fourth Proportional to 92,921.77, 139,038.20 and 55,502.20

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Solution

The fourth proportional to 92,921.77, 139,038.20 and 55,502.20 is: 83,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,921.77 : 139,038.20 = 55,502.20 : x
  2. Step 2: Convert to fraction form
    92,921.77/139,038.20 = 55,502.20/x
  3. Step 3: Cross multiply
    92,921.77x = 139,038.20 × 55,502.20
  4. Step 4: Simplify right side
    92,921.77x = 7,716,925,984.04
  5. Step 5: Solve for x
    x = 7,716,925,984.04/92,921.77
  6. Step 6: Final answer
    x = 83,047.56

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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.