Home / 70,857.64-97,783.43-39,026.13

Finding the Fourth Proportional to 70,857.64, 97,783.43 and 39,026.13

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Solution

The fourth proportional to 70,857.64, 97,783.43 and 39,026.13 is: 53,856.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,857.64 : 97,783.43 = 39,026.13 : x
  2. Step 2: Convert to fraction form
    70,857.64/97,783.43 = 39,026.13/x
  3. Step 3: Cross multiply
    70,857.64x = 97,783.43 × 39,026.13
  4. Step 4: Simplify right side
    70,857.64x = 3,816,108,851.03
  5. Step 5: Solve for x
    x = 3,816,108,851.03/70,857.64
  6. Step 6: Final answer
    x = 53,856.00

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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.