Home / 64,607.02-89,157.66-36,312.71

Finding the Fourth Proportional to 64,607.02, 89,157.66 and 36,312.71

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Solution

The fourth proportional to 64,607.02, 89,157.66 and 36,312.71 is: 50,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,607.02 : 89,157.66 = 36,312.71 : x
  2. Step 2: Convert to fraction form
    64,607.02/89,157.66 = 36,312.71/x
  3. Step 3: Cross multiply
    64,607.02x = 89,157.66 × 36,312.71
  4. Step 4: Simplify right side
    64,607.02x = 3,237,555,874.16
  5. Step 5: Solve for x
    x = 3,237,555,874.16/64,607.02
  6. Step 6: Final answer
    x = 50,111.52

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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.