Home / 64,727.02-89,317.24-47,740.51

Finding the Fourth Proportional to 64,727.02, 89,317.24 and 47,740.51

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Solution

The fourth proportional to 64,727.02, 89,317.24 and 47,740.51 is: 65,877.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,727.02 : 89,317.24 = 47,740.51 : x
  2. Step 2: Convert to fraction form
    64,727.02/89,317.24 = 47,740.51/x
  3. Step 3: Cross multiply
    64,727.02x = 89,317.24 × 47,740.51
  4. Step 4: Simplify right side
    64,727.02x = 4,264,050,589.39
  5. Step 5: Solve for x
    x = 4,264,050,589.39/64,727.02
  6. Step 6: Final answer
    x = 65,877.44

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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.