Home / 63,036.40-86,990.76-34,742.16

Finding the Fourth Proportional to 63,036.40, 86,990.76 and 34,742.16

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Solution

The fourth proportional to 63,036.40, 86,990.76 and 34,742.16 is: 47,944.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,036.40 : 86,990.76 = 34,742.16 : x
  2. Step 2: Convert to fraction form
    63,036.40/86,990.76 = 34,742.16/x
  3. Step 3: Cross multiply
    63,036.40x = 86,990.76 × 34,742.16
  4. Step 4: Simplify right side
    63,036.40x = 3,022,246,902.44
  5. Step 5: Solve for x
    x = 3,022,246,902.44/63,036.40
  6. Step 6: Final answer
    x = 47,944.47

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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.