Home / 64,112.12-88,417.17-53,392.40

Finding the Fourth Proportional to 64,112.12, 88,417.17 and 53,392.40

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Solution

The fourth proportional to 64,112.12, 88,417.17 and 53,392.40 is: 73,633.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,112.12 : 88,417.17 = 53,392.40 : x
  2. Step 2: Convert to fraction form
    64,112.12/88,417.17 = 53,392.40/x
  3. Step 3: Cross multiply
    64,112.12x = 88,417.17 × 53,392.40
  4. Step 4: Simplify right side
    64,112.12x = 4,720,804,465.42
  5. Step 5: Solve for x
    x = 4,720,804,465.42/64,112.12
  6. Step 6: Final answer
    x = 73,633.58

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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.