Home / 104,059.03-143,601.58-56,312.39

Finding the Fourth Proportional to 104,059.03, 143,601.58 and 56,312.39

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Solution

The fourth proportional to 104,059.03, 143,601.58 and 56,312.39 is: 77,711.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,059.03 : 143,601.58 = 56,312.39 : x
  2. Step 2: Convert to fraction form
    104,059.03/143,601.58 = 56,312.39/x
  3. Step 3: Cross multiply
    104,059.03x = 143,601.58 × 56,312.39
  4. Step 4: Simplify right side
    104,059.03x = 8,086,547,318.79
  5. Step 5: Solve for x
    x = 8,086,547,318.79/104,059.03
  6. Step 6: Final answer
    x = 77,711.15

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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.