Home / 105,264.06-145,260.12-57,519.06

Finding the Fourth Proportional to 105,264.06, 145,260.12 and 57,519.06

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Solution

The fourth proportional to 105,264.06, 145,260.12 and 57,519.06 is: 79,373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,264.06 : 145,260.12 = 57,519.06 : x
  2. Step 2: Convert to fraction form
    105,264.06/145,260.12 = 57,519.06/x
  3. Step 3: Cross multiply
    105,264.06x = 145,260.12 × 57,519.06
  4. Step 4: Simplify right side
    105,264.06x = 8,355,225,557.89
  5. Step 5: Solve for x
    x = 8,355,225,557.89/105,264.06
  6. Step 6: Final answer
    x = 79,373.96

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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.