Home / 112,666.47-155,479.73-62,365.47

Finding the Fourth Proportional to 112,666.47, 155,479.73 and 62,365.47

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Solution

The fourth proportional to 112,666.47, 155,479.73 and 62,365.47 is: 86,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,666.47 : 155,479.73 = 62,365.47 : x
  2. Step 2: Convert to fraction form
    112,666.47/155,479.73 = 62,365.47/x
  3. Step 3: Cross multiply
    112,666.47x = 155,479.73 × 62,365.47
  4. Step 4: Simplify right side
    112,666.47x = 9,696,566,436.92
  5. Step 5: Solve for x
    x = 9,696,566,436.92/112,666.47
  6. Step 6: Final answer
    x = 86,064.35

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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.