Home / 112,746.89-155,582.15-62,444.81

Finding the Fourth Proportional to 112,746.89, 155,582.15 and 62,444.81

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Solution

The fourth proportional to 112,746.89, 155,582.15 and 62,444.81 is: 86,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,746.89 : 155,582.15 = 62,444.81 : x
  2. Step 2: Convert to fraction form
    112,746.89/155,582.15 = 62,444.81/x
  3. Step 3: Cross multiply
    112,746.89x = 155,582.15 × 62,444.81
  4. Step 4: Simplify right side
    112,746.89x = 9,715,297,483.92
  5. Step 5: Solve for x
    x = 9,715,297,483.92/112,746.89
  6. Step 6: Final answer
    x = 86,169.10

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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.