Home / 93,710.20-129,323.16-51,267.76

Finding the Fourth Proportional to 93,710.20, 129,323.16 and 51,267.76

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Solution

The fourth proportional to 93,710.20, 129,323.16 and 51,267.76 is: 70,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,710.20 : 129,323.16 = 51,267.76 : x
  2. Step 2: Convert to fraction form
    93,710.20/129,323.16 = 51,267.76/x
  3. Step 3: Cross multiply
    93,710.20x = 129,323.16 × 51,267.76
  4. Step 4: Simplify right side
    93,710.20x = 6,630,108,729.32
  5. Step 5: Solve for x
    x = 6,630,108,729.32/93,710.20
  6. Step 6: Final answer
    x = 70,751.20

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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.