Home / 77,570.04-107,038.89-43,582.44

Finding the Fourth Proportional to 77,570.04, 107,038.89 and 43,582.44

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Solution

The fourth proportional to 77,570.04, 107,038.89 and 43,582.44 is: 60,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,570.04 : 107,038.89 = 43,582.44 : x
  2. Step 2: Convert to fraction form
    77,570.04/107,038.89 = 43,582.44/x
  3. Step 3: Cross multiply
    77,570.04x = 107,038.89 × 43,582.44
  4. Step 4: Simplify right side
    77,570.04x = 4,665,016,001.09
  5. Step 5: Solve for x
    x = 4,665,016,001.09/77,570.04
  6. Step 6: Final answer
    x = 60,139.40

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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.