Home / 113,030.04-155,982.06-62,729.16

Finding the Fourth Proportional to 113,030.04, 155,982.06 and 62,729.16

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Solution

The fourth proportional to 113,030.04, 155,982.06 and 62,729.16 is: 86,566.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,030.04 : 155,982.06 = 62,729.16 : x
  2. Step 2: Convert to fraction form
    113,030.04/155,982.06 = 62,729.16/x
  3. Step 3: Cross multiply
    113,030.04x = 155,982.06 × 62,729.16
  4. Step 4: Simplify right side
    113,030.04x = 9,784,623,598.87
  5. Step 5: Solve for x
    x = 9,784,623,598.87/113,030.04
  6. Step 6: Final answer
    x = 86,566.58

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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.