Home / 94,622.30-130,572.80-54,307.68

Finding the Fourth Proportional to 94,622.30, 130,572.80 and 54,307.68

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Solution

The fourth proportional to 94,622.30, 130,572.80 and 54,307.68 is: 74,941.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,622.30 : 130,572.80 = 54,307.68 : x
  2. Step 2: Convert to fraction form
    94,622.30/130,572.80 = 54,307.68/x
  3. Step 3: Cross multiply
    94,622.30x = 130,572.80 × 54,307.68
  4. Step 4: Simplify right side
    94,622.30x = 7,091,105,839.10
  5. Step 5: Solve for x
    x = 7,091,105,839.10/94,622.30
  6. Step 6: Final answer
    x = 74,941.17

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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.