Home / 47,090.54-64,981.60-26,666.78

Finding the Fourth Proportional to 47,090.54, 64,981.60 and 26,666.78

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Solution

The fourth proportional to 47,090.54, 64,981.60 and 26,666.78 is: 36,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,090.54 : 64,981.60 = 26,666.78 : x
  2. Step 2: Convert to fraction form
    47,090.54/64,981.60 = 26,666.78/x
  3. Step 3: Cross multiply
    47,090.54x = 64,981.60 × 26,666.78
  4. Step 4: Simplify right side
    47,090.54x = 1,732,849,639.67
  5. Step 5: Solve for x
    x = 1,732,849,639.67/47,090.54
  6. Step 6: Final answer
    x = 36,798.25

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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.