Home / 107,370.77-148,212.99-71,547.71

Finding the Fourth Proportional to 107,370.77, 148,212.99 and 71,547.71

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Solution

The fourth proportional to 107,370.77, 148,212.99 and 71,547.71 is: 98,763.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,370.77 : 148,212.99 = 71,547.71 : x
  2. Step 2: Convert to fraction form
    107,370.77/148,212.99 = 71,547.71/x
  3. Step 3: Cross multiply
    107,370.77x = 148,212.99 × 71,547.71
  4. Step 4: Simplify right side
    107,370.77x = 10,604,299,285.69
  5. Step 5: Solve for x
    x = 10,604,299,285.69/107,370.77
  6. Step 6: Final answer
    x = 98,763.38

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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.