Home / 105,598.92-145,726.56-57,852.36

Finding the Fourth Proportional to 105,598.92, 145,726.56 and 57,852.36

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Solution

The fourth proportional to 105,598.92, 145,726.56 and 57,852.36 is: 79,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,598.92 : 145,726.56 = 57,852.36 : x
  2. Step 2: Convert to fraction form
    105,598.92/145,726.56 = 57,852.36/x
  3. Step 3: Cross multiply
    105,598.92x = 145,726.56 × 57,852.36
  4. Step 4: Simplify right side
    105,598.92x = 8,430,625,410.68
  5. Step 5: Solve for x
    x = 8,430,625,410.68/105,598.92
  6. Step 6: Final answer
    x = 79,836.28

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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.