Home / 104,725.12-144,386.76-67,866.16

Finding the Fourth Proportional to 104,725.12, 144,386.76 and 67,866.16

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Solution

The fourth proportional to 104,725.12, 144,386.76 and 67,866.16 is: 93,568.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,725.12 : 144,386.76 = 67,866.16 : x
  2. Step 2: Convert to fraction form
    104,725.12/144,386.76 = 67,866.16/x
  3. Step 3: Cross multiply
    104,725.12x = 144,386.76 × 67,866.16
  4. Step 4: Simplify right side
    104,725.12x = 9,798,974,956.04
  5. Step 5: Solve for x
    x = 9,798,974,956.04/104,725.12
  6. Step 6: Final answer
    x = 93,568.52

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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.