Home / 105,774.24-145,970.40-58,024.68

Finding the Fourth Proportional to 105,774.24, 145,970.40 and 58,024.68

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Solution

The fourth proportional to 105,774.24, 145,970.40 and 58,024.68 is: 80,075.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,774.24 : 145,970.40 = 58,024.68 : x
  2. Step 2: Convert to fraction form
    105,774.24/145,970.40 = 58,024.68/x
  3. Step 3: Cross multiply
    105,774.24x = 145,970.40 × 58,024.68
  4. Step 4: Simplify right side
    105,774.24x = 8,469,885,749.47
  5. Step 5: Solve for x
    x = 8,469,885,749.47/105,774.24
  6. Step 6: Final answer
    x = 80,075.13

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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.