Home / 64,303.47-88,734.50-35,621.20

Finding the Fourth Proportional to 64,303.47, 88,734.50 and 35,621.20

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Solution

The fourth proportional to 64,303.47, 88,734.50 and 35,621.20 is: 49,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,303.47 : 88,734.50 = 35,621.20 : x
  2. Step 2: Convert to fraction form
    64,303.47/88,734.50 = 35,621.20/x
  3. Step 3: Cross multiply
    64,303.47x = 88,734.50 × 35,621.20
  4. Step 4: Simplify right side
    64,303.47x = 3,160,829,638.16
  5. Step 5: Solve for x
    x = 3,160,829,638.16/64,303.47
  6. Step 6: Final answer
    x = 49,154.88

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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.