Home / 103,095.52-142,277.51-57,788.06

Finding the Fourth Proportional to 103,095.52, 142,277.51 and 57,788.06

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Solution

The fourth proportional to 103,095.52, 142,277.51 and 57,788.06 is: 79,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,095.52 : 142,277.51 = 57,788.06 : x
  2. Step 2: Convert to fraction form
    103,095.52/142,277.51 = 57,788.06/x
  3. Step 3: Cross multiply
    103,095.52x = 142,277.51 × 57,788.06
  4. Step 4: Simplify right side
    103,095.52x = 8,221,940,717.61
  5. Step 5: Solve for x
    x = 8,221,940,717.61/103,095.52
  6. Step 6: Final answer
    x = 79,750.71

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1.5x scale

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.