Home / 112,982.04-155,915.40-62,681.04

Finding the Fourth Proportional to 112,982.04, 155,915.40 and 62,681.04

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Solution

The fourth proportional to 112,982.04, 155,915.40 and 62,681.04 is: 86,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,982.04 : 155,915.40 = 62,681.04 : x
  2. Step 2: Convert to fraction form
    112,982.04/155,915.40 = 62,681.04/x
  3. Step 3: Cross multiply
    112,982.04x = 155,915.40 × 62,681.04
  4. Step 4: Simplify right side
    112,982.04x = 9,772,939,424.02
  5. Step 5: Solve for x
    x = 9,772,939,424.02/112,982.04
  6. Step 6: Final answer
    x = 86,499.94

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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.