Home / 112,526.31-155,271.28-62,228.55

Finding the Fourth Proportional to 112,526.31, 155,271.28 and 62,228.55

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Solution

The fourth proportional to 112,526.31, 155,271.28 and 62,228.55 is: 85,867.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,526.31 : 155,271.28 = 62,228.55 : x
  2. Step 2: Convert to fraction form
    112,526.31/155,271.28 = 62,228.55/x
  3. Step 3: Cross multiply
    112,526.31x = 155,271.28 × 62,228.55
  4. Step 4: Simplify right side
    112,526.31x = 9,662,307,154.42
  5. Step 5: Solve for x
    x = 9,662,307,154.42/112,526.31
  6. Step 6: Final answer
    x = 85,867.09

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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.