Home / 104,005.15-143,526.94-56,258.35

Finding the Fourth Proportional to 104,005.15, 143,526.94 and 56,258.35

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Solution

The fourth proportional to 104,005.15, 143,526.94 and 56,258.35 is: 77,636.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,005.15 : 143,526.94 = 56,258.35 : x
  2. Step 2: Convert to fraction form
    104,005.15/143,526.94 = 56,258.35/x
  3. Step 3: Cross multiply
    104,005.15x = 143,526.94 × 56,258.35
  4. Step 4: Simplify right side
    104,005.15x = 8,074,588,325.49
  5. Step 5: Solve for x
    x = 8,074,588,325.49/104,005.15
  6. Step 6: Final answer
    x = 77,636.43

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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.