Home / 75,346.47-103,960.67-45,126.18

Finding the Fourth Proportional to 75,346.47, 103,960.67 and 45,126.18

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Solution

The fourth proportional to 75,346.47, 103,960.67 and 45,126.18 is: 62,263.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,346.47 : 103,960.67 = 45,126.18 : x
  2. Step 2: Convert to fraction form
    75,346.47/103,960.67 = 45,126.18/x
  3. Step 3: Cross multiply
    75,346.47x = 103,960.67 × 45,126.18
  4. Step 4: Simplify right side
    75,346.47x = 4,691,347,681.71
  5. Step 5: Solve for x
    x = 4,691,347,681.71/75,346.47
  6. Step 6: Final answer
    x = 62,263.67

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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.