Home / 105,312.76-145,345.24-60,007.03

Finding the Fourth Proportional to 105,312.76, 145,345.24 and 60,007.03

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Solution

The fourth proportional to 105,312.76, 145,345.24 and 60,007.03 is: 82,817.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,312.76 : 145,345.24 = 60,007.03 : x
  2. Step 2: Convert to fraction form
    105,312.76/145,345.24 = 60,007.03/x
  3. Step 3: Cross multiply
    105,312.76x = 145,345.24 × 60,007.03
  4. Step 4: Simplify right side
    105,312.76x = 8,721,735,551.14
  5. Step 5: Solve for x
    x = 8,721,735,551.14/105,312.76
  6. Step 6: Final answer
    x = 82,817.46

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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.