Home / 58,351.28-87,319.56-42,730.16

Finding the Fourth Proportional to 58,351.28, 87,319.56 and 42,730.16

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Solution

The fourth proportional to 58,351.28, 87,319.56 and 42,730.16 is: 63,943.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,351.28 : 87,319.56 = 42,730.16 : x
  2. Step 2: Convert to fraction form
    58,351.28/87,319.56 = 42,730.16/x
  3. Step 3: Cross multiply
    58,351.28x = 87,319.56 × 42,730.16
  4. Step 4: Simplify right side
    58,351.28x = 3,731,178,769.93
  5. Step 5: Solve for x
    x = 3,731,178,769.93/58,351.28
  6. Step 6: Final answer
    x = 63,943.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.