Home / 98,612.09-147,955.07-51,197.58

Finding the Fourth Proportional to 98,612.09, 147,955.07 and 51,197.58

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Solution

The fourth proportional to 98,612.09, 147,955.07 and 51,197.58 is: 76,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,612.09 : 147,955.07 = 51,197.58 : x
  2. Step 2: Convert to fraction form
    98,612.09/147,955.07 = 51,197.58/x
  3. Step 3: Cross multiply
    98,612.09x = 147,955.07 × 51,197.58
  4. Step 4: Simplify right side
    98,612.09x = 7,574,941,276.74
  5. Step 5: Solve for x
    x = 7,574,941,276.74/98,612.09
  6. Step 6: Final answer
    x = 76,815.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.