Home / 64,080.45-88,430.43-35,400.06

Finding the Fourth Proportional to 64,080.45, 88,430.43 and 35,400.06

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Solution

The fourth proportional to 64,080.45, 88,430.43 and 35,400.06 is: 48,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,080.45 : 88,430.43 = 35,400.06 : x
  2. Step 2: Convert to fraction form
    64,080.45/88,430.43 = 35,400.06/x
  3. Step 3: Cross multiply
    64,080.45x = 88,430.43 × 35,400.06
  4. Step 4: Simplify right side
    64,080.45x = 3,130,442,527.83
  5. Step 5: Solve for x
    x = 3,130,442,527.83/64,080.45
  6. Step 6: Final answer
    x = 48,851.76

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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.