Home / 64,637.20-89,204.52-48,696.40

Finding the Fourth Proportional to 64,637.20, 89,204.52 and 48,696.40

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Solution

The fourth proportional to 64,637.20, 89,204.52 and 48,696.40 is: 67,204.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,637.20 : 89,204.52 = 48,696.40 : x
  2. Step 2: Convert to fraction form
    64,637.20/89,204.52 = 48,696.40/x
  3. Step 3: Cross multiply
    64,637.20x = 89,204.52 × 48,696.40
  4. Step 4: Simplify right side
    64,637.20x = 4,343,938,987.73
  5. Step 5: Solve for x
    x = 4,343,938,987.73/64,637.20
  6. Step 6: Final answer
    x = 67,204.94

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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.