Home / 104,005.45-143,526.63-56,258.38

Finding the Fourth Proportional to 104,005.45, 143,526.63 and 56,258.38

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Solution

The fourth proportional to 104,005.45, 143,526.63 and 56,258.38 is: 77,636.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,005.45 : 143,526.63 = 56,258.38 : x
  2. Step 2: Convert to fraction form
    104,005.45/143,526.63 = 56,258.38/x
  3. Step 3: Cross multiply
    104,005.45x = 143,526.63 × 56,258.38
  4. Step 4: Simplify right side
    104,005.45x = 8,074,575,690.66
  5. Step 5: Solve for x
    x = 8,074,575,690.66/104,005.45
  6. Step 6: Final answer
    x = 77,636.08

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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.