Home / 90,874.05-136,256.40-46,587.30

Finding the Fourth Proportional to 90,874.05, 136,256.40 and 46,587.30

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Solution

The fourth proportional to 90,874.05, 136,256.40 and 46,587.30 is: 69,852.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,874.05 : 136,256.40 = 46,587.30 : x
  2. Step 2: Convert to fraction form
    90,874.05/136,256.40 = 46,587.30/x
  3. Step 3: Cross multiply
    90,874.05x = 136,256.40 × 46,587.30
  4. Step 4: Simplify right side
    90,874.05x = 6,347,817,783.72
  5. Step 5: Solve for x
    x = 6,347,817,783.72/90,874.05
  6. Step 6: Final answer
    x = 69,852.92

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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.