Home / 47,920.09-66,130.18-26,410.61

Finding the Fourth Proportional to 47,920.09, 66,130.18 and 26,410.61

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Solution

The fourth proportional to 47,920.09, 66,130.18 and 26,410.61 is: 36,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,920.09 : 66,130.18 = 26,410.61 : x
  2. Step 2: Convert to fraction form
    47,920.09/66,130.18 = 26,410.61/x
  3. Step 3: Cross multiply
    47,920.09x = 66,130.18 × 26,410.61
  4. Step 4: Simplify right side
    47,920.09x = 1,746,538,492.51
  5. Step 5: Solve for x
    x = 1,746,538,492.51/47,920.09
  6. Step 6: Final answer
    x = 36,446.90

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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.