Home / 105,099.15-145,037.07-59,776.14

Finding the Fourth Proportional to 105,099.15, 145,037.07 and 59,776.14

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Solution

The fourth proportional to 105,099.15, 145,037.07 and 59,776.14 is: 82,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,099.15 : 145,037.07 = 59,776.14 : x
  2. Step 2: Convert to fraction form
    105,099.15/145,037.07 = 59,776.14/x
  3. Step 3: Cross multiply
    105,099.15x = 145,037.07 × 59,776.14
  4. Step 4: Simplify right side
    105,099.15x = 8,669,756,201.51
  5. Step 5: Solve for x
    x = 8,669,756,201.51/105,099.15
  6. Step 6: Final answer
    x = 82,491.21

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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.