Home / 87,746.46-121,089.66-47,460.18

Finding the Fourth Proportional to 87,746.46, 121,089.66 and 47,460.18

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Solution

The fourth proportional to 87,746.46, 121,089.66 and 47,460.18 is: 65,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,746.46 : 121,089.66 = 47,460.18 : x
  2. Step 2: Convert to fraction form
    87,746.46/121,089.66 = 47,460.18/x
  3. Step 3: Cross multiply
    87,746.46x = 121,089.66 × 47,460.18
  4. Step 4: Simplify right side
    87,746.46x = 5,746,937,059.74
  5. Step 5: Solve for x
    x = 5,746,937,059.74/87,746.46
  6. Step 6: Final answer
    x = 65,494.80

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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.