Home / 94,948.80-130,988.16-57,201.36

Finding the Fourth Proportional to 94,948.80, 130,988.16 and 57,201.36

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Solution

The fourth proportional to 94,948.80, 130,988.16 and 57,201.36 is: 78,913.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,948.80 : 130,988.16 = 57,201.36 : x
  2. Step 2: Convert to fraction form
    94,948.80/130,988.16 = 57,201.36/x
  3. Step 3: Cross multiply
    94,948.80x = 130,988.16 × 57,201.36
  4. Step 4: Simplify right side
    94,948.80x = 7,492,700,895.90
  5. Step 5: Solve for x
    x = 7,492,700,895.90/94,948.80
  6. Step 6: Final answer
    x = 78,913.07

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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.