Home / 112,746.64-155,581.80-62,444.56

Finding the Fourth Proportional to 112,746.64, 155,581.80 and 62,444.56

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Solution

The fourth proportional to 112,746.64, 155,581.80 and 62,444.56 is: 86,168.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,746.64 : 155,581.80 = 62,444.56 : x
  2. Step 2: Convert to fraction form
    112,746.64/155,581.80 = 62,444.56/x
  3. Step 3: Cross multiply
    112,746.64x = 155,581.80 × 62,444.56
  4. Step 4: Simplify right side
    112,746.64x = 9,715,237,045.01
  5. Step 5: Solve for x
    x = 9,715,237,045.01/112,746.64
  6. Step 6: Final answer
    x = 86,168.75

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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.