Home / 55,938.77-83,941.02-20,881.16

Finding the Fourth Proportional to 55,938.77, 83,941.02 and 20,881.16

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Solution

The fourth proportional to 55,938.77, 83,941.02 and 20,881.16 is: 31,334.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,938.77 : 83,941.02 = 20,881.16 : x
  2. Step 2: Convert to fraction form
    55,938.77/83,941.02 = 20,881.16/x
  3. Step 3: Cross multiply
    55,938.77x = 83,941.02 × 20,881.16
  4. Step 4: Simplify right side
    55,938.77x = 1,752,785,449.48
  5. Step 5: Solve for x
    x = 1,752,785,449.48/55,938.77
  6. Step 6: Final answer
    x = 31,334.00

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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.