Home / 105,341.68-145,371.36-62,925.04

Finding the Fourth Proportional to 105,341.68, 145,371.36 and 62,925.04

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Solution

The fourth proportional to 105,341.68, 145,371.36 and 62,925.04 is: 86,836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,341.68 : 145,371.36 = 62,925.04 : x
  2. Step 2: Convert to fraction form
    105,341.68/145,371.36 = 62,925.04/x
  3. Step 3: Cross multiply
    105,341.68x = 145,371.36 × 62,925.04
  4. Step 4: Simplify right side
    105,341.68x = 9,147,498,642.85
  5. Step 5: Solve for x
    x = 9,147,498,642.85/105,341.68
  6. Step 6: Final answer
    x = 86,836.46

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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.