Home / 124,423.05-186,547.10-57,792.45

Finding the Fourth Proportional to 124,423.05, 186,547.10 and 57,792.45

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Solution

The fourth proportional to 124,423.05, 186,547.10 and 57,792.45 is: 86,648.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,423.05 : 186,547.10 = 57,792.45 : x
  2. Step 2: Convert to fraction form
    124,423.05/186,547.10 = 57,792.45/x
  3. Step 3: Cross multiply
    124,423.05x = 186,547.10 × 57,792.45
  4. Step 4: Simplify right side
    124,423.05x = 10,781,013,660.43
  5. Step 5: Solve for x
    x = 10,781,013,660.43/124,423.05
  6. Step 6: Final answer
    x = 86,648.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.