Home / 65,632.20-98,521.20-40,700.40

Finding the Fourth Proportional to 65,632.20, 98,521.20 and 40,700.40

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Solution

The fourth proportional to 65,632.20, 98,521.20 and 40,700.40 is: 61,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,632.20 : 98,521.20 = 40,700.40 : x
  2. Step 2: Convert to fraction form
    65,632.20/98,521.20 = 40,700.40/x
  3. Step 3: Cross multiply
    65,632.20x = 98,521.20 × 40,700.40
  4. Step 4: Simplify right side
    65,632.20x = 4,009,852,248.48
  5. Step 5: Solve for x
    x = 4,009,852,248.48/65,632.20
  6. Step 6: Final answer
    x = 61,095.81

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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.