Home / 93,756.87-129,379.52-51,307.20

Finding the Fourth Proportional to 93,756.87, 129,379.52 and 51,307.20

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Solution

The fourth proportional to 93,756.87, 129,379.52 and 51,307.20 is: 70,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,756.87 : 129,379.52 = 51,307.20 : x
  2. Step 2: Convert to fraction form
    93,756.87/129,379.52 = 51,307.20/x
  3. Step 3: Cross multiply
    93,756.87x = 129,379.52 × 51,307.20
  4. Step 4: Simplify right side
    93,756.87x = 6,638,100,652.01
  5. Step 5: Solve for x
    x = 6,638,100,652.01/93,756.87
  6. Step 6: Final answer
    x = 70,801.22

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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.