Home / 92,973.09-128,303.70-50,531.67

Finding the Fourth Proportional to 92,973.09, 128,303.70 and 50,531.67

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Solution

The fourth proportional to 92,973.09, 128,303.70 and 50,531.67 is: 69,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,973.09 : 128,303.70 = 50,531.67 : x
  2. Step 2: Convert to fraction form
    92,973.09/128,303.70 = 50,531.67/x
  3. Step 3: Cross multiply
    92,973.09x = 128,303.70 × 50,531.67
  4. Step 4: Simplify right side
    92,973.09x = 6,483,400,228.18
  5. Step 5: Solve for x
    x = 6,483,400,228.18/92,973.09
  6. Step 6: Final answer
    x = 69,734.16

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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.