Home / 112,066.38-154,649.58-61,079.58

Finding the Fourth Proportional to 112,066.38, 154,649.58 and 61,079.58

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Solution

The fourth proportional to 112,066.38, 154,649.58 and 61,079.58 is: 84,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,066.38 : 154,649.58 = 61,079.58 : x
  2. Step 2: Convert to fraction form
    112,066.38/154,649.58 = 61,079.58/x
  3. Step 3: Cross multiply
    112,066.38x = 154,649.58 × 61,079.58
  4. Step 4: Simplify right side
    112,066.38x = 9,445,931,393.58
  5. Step 5: Solve for x
    x = 9,445,931,393.58/112,066.38
  6. Step 6: Final answer
    x = 84,288.72

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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.