Home / 83,973.87-115,846.47-56,741.16

Finding the Fourth Proportional to 83,973.87, 115,846.47 and 56,741.16

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Solution

The fourth proportional to 83,973.87, 115,846.47 and 56,741.16 is: 78,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,973.87 : 115,846.47 = 56,741.16 : x
  2. Step 2: Convert to fraction form
    83,973.87/115,846.47 = 56,741.16/x
  3. Step 3: Cross multiply
    83,973.87x = 115,846.47 × 56,741.16
  4. Step 4: Simplify right side
    83,973.87x = 6,573,263,089.71
  5. Step 5: Solve for x
    x = 6,573,263,089.71/83,973.87
  6. Step 6: Final answer
    x = 78,277.48

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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.