Home / 43,064.04-64,219.19-42,670.36

Finding the Fourth Proportional to 43,064.04, 64,219.19 and 42,670.36

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Solution

The fourth proportional to 43,064.04, 64,219.19 and 42,670.36 is: 63,632.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,064.04 : 64,219.19 = 42,670.36 : x
  2. Step 2: Convert to fraction form
    43,064.04/64,219.19 = 42,670.36/x
  3. Step 3: Cross multiply
    43,064.04x = 64,219.19 × 42,670.36
  4. Step 4: Simplify right side
    43,064.04x = 2,740,255,956.21
  5. Step 5: Solve for x
    x = 2,740,255,956.21/43,064.04
  6. Step 6: Final answer
    x = 63,632.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.