Home / 105,263.13-145,262.97-59,941.12

Finding the Fourth Proportional to 105,263.13, 145,262.97 and 59,941.12

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Solution

The fourth proportional to 105,263.13, 145,262.97 and 59,941.12 is: 82,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,263.13 : 145,262.97 = 59,941.12 : x
  2. Step 2: Convert to fraction form
    105,263.13/145,262.97 = 59,941.12/x
  3. Step 3: Cross multiply
    105,263.13x = 145,262.97 × 59,941.12
  4. Step 4: Simplify right side
    105,263.13x = 8,707,225,587.30
  5. Step 5: Solve for x
    x = 8,707,225,587.30/105,263.13
  6. Step 6: Final answer
    x = 82,718.67

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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.