Home / 74,582.40-111,873.60-61,407.09

Finding the Fourth Proportional to 74,582.40, 111,873.60 and 61,407.09

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Solution

The fourth proportional to 74,582.40, 111,873.60 and 61,407.09 is: 92,110.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,582.40 : 111,873.60 = 61,407.09 : x
  2. Step 2: Convert to fraction form
    74,582.40/111,873.60 = 61,407.09/x
  3. Step 3: Cross multiply
    74,582.40x = 111,873.60 × 61,407.09
  4. Step 4: Simplify right side
    74,582.40x = 6,869,832,223.82
  5. Step 5: Solve for x
    x = 6,869,832,223.82/74,582.40
  6. Step 6: Final answer
    x = 92,110.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.