Home / 112,882.16-155,784.40-62,581.16

Finding the Fourth Proportional to 112,882.16, 155,784.40 and 62,581.16

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Solution

The fourth proportional to 112,882.16, 155,784.40 and 62,581.16 is: 86,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,882.16 : 155,784.40 = 62,581.16 : x
  2. Step 2: Convert to fraction form
    112,882.16/155,784.40 = 62,581.16/x
  3. Step 3: Cross multiply
    112,882.16x = 155,784.40 × 62,581.16
  4. Step 4: Simplify right side
    112,882.16x = 9,749,168,461.90
  5. Step 5: Solve for x
    x = 9,749,168,461.90/112,882.16
  6. Step 6: Final answer
    x = 86,365.89

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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.