Home / 64,501.02-89,011.08-36,206.64

Finding the Fourth Proportional to 64,501.02, 89,011.08 and 36,206.64

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Solution

The fourth proportional to 64,501.02, 89,011.08 and 36,206.64 is: 49,964.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,501.02 : 89,011.08 = 36,206.64 : x
  2. Step 2: Convert to fraction form
    64,501.02/89,011.08 = 36,206.64/x
  3. Step 3: Cross multiply
    64,501.02x = 89,011.08 × 36,206.64
  4. Step 4: Simplify right side
    64,501.02x = 3,222,792,129.57
  5. Step 5: Solve for x
    x = 3,222,792,129.57/64,501.02
  6. Step 6: Final answer
    x = 49,964.98

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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.