Home / 112,748.28-155,595.14-64,349.24

Finding the Fourth Proportional to 112,748.28, 155,595.14 and 64,349.24

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Solution

The fourth proportional to 112,748.28, 155,595.14 and 64,349.24 is: 88,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,748.28 : 155,595.14 = 64,349.24 : x
  2. Step 2: Convert to fraction form
    112,748.28/155,595.14 = 64,349.24/x
  3. Step 3: Cross multiply
    112,748.28x = 155,595.14 × 64,349.24
  4. Step 4: Simplify right side
    112,748.28x = 10,012,428,067.84
  5. Step 5: Solve for x
    x = 10,012,428,067.84/112,748.28
  6. Step 6: Final answer
    x = 88,803.38

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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.