Home / 112,011.05-154,575.19-61,710.05

Finding the Fourth Proportional to 112,011.05, 154,575.19 and 61,710.05

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Solution

The fourth proportional to 112,011.05, 154,575.19 and 61,710.05 is: 85,159.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,011.05 : 154,575.19 = 61,710.05 : x
  2. Step 2: Convert to fraction form
    112,011.05/154,575.19 = 61,710.05/x
  3. Step 3: Cross multiply
    112,011.05x = 154,575.19 × 61,710.05
  4. Step 4: Simplify right side
    112,011.05x = 9,538,842,820.12
  5. Step 5: Solve for x
    x = 9,538,842,820.12/112,011.05
  6. Step 6: Final answer
    x = 85,159.84

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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.