Home / 74,258.19-102,489.17-56,323.17

Finding the Fourth Proportional to 74,258.19, 102,489.17 and 56,323.17

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Solution

The fourth proportional to 74,258.19, 102,489.17 and 56,323.17 is: 77,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,258.19 : 102,489.17 = 56,323.17 : x
  2. Step 2: Convert to fraction form
    74,258.19/102,489.17 = 56,323.17/x
  3. Step 3: Cross multiply
    74,258.19x = 102,489.17 × 56,323.17
  4. Step 4: Simplify right side
    74,258.19x = 5,772,514,663.45
  5. Step 5: Solve for x
    x = 5,772,514,663.45/74,258.19
  6. Step 6: Final answer
    x = 77,735.73

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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.