Home / 104,060.16-143,603.38-56,313.50

Finding the Fourth Proportional to 104,060.16, 143,603.38 and 56,313.50

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Solution

The fourth proportional to 104,060.16, 143,603.38 and 56,313.50 is: 77,712.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,060.16 : 143,603.38 = 56,313.50 : x
  2. Step 2: Convert to fraction form
    104,060.16/143,603.38 = 56,313.50/x
  3. Step 3: Cross multiply
    104,060.16x = 143,603.38 × 56,313.50
  4. Step 4: Simplify right side
    104,060.16x = 8,086,808,939.63
  5. Step 5: Solve for x
    x = 8,086,808,939.63/104,060.16
  6. Step 6: Final answer
    x = 77,712.82

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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.