Home / 105,686.06-145,847.95-60,370.02

Finding the Fourth Proportional to 105,686.06, 145,847.95 and 60,370.02

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Solution

The fourth proportional to 105,686.06, 145,847.95 and 60,370.02 is: 83,311.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,686.06 : 145,847.95 = 60,370.02 : x
  2. Step 2: Convert to fraction form
    105,686.06/145,847.95 = 60,370.02/x
  3. Step 3: Cross multiply
    105,686.06x = 145,847.95 × 60,370.02
  4. Step 4: Simplify right side
    105,686.06x = 8,804,843,507.53
  5. Step 5: Solve for x
    x = 8,804,843,507.53/105,686.06
  6. Step 6: Final answer
    x = 83,311.31

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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.