Home / 58,545.63-87,739.79-30,407.13

Finding the Fourth Proportional to 58,545.63, 87,739.79 and 30,407.13

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Solution

The fourth proportional to 58,545.63, 87,739.79 and 30,407.13 is: 45,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,545.63 : 87,739.79 = 30,407.13 : x
  2. Step 2: Convert to fraction form
    58,545.63/87,739.79 = 30,407.13/x
  3. Step 3: Cross multiply
    58,545.63x = 87,739.79 × 30,407.13
  4. Step 4: Simplify right side
    58,545.63x = 2,667,915,048.67
  5. Step 5: Solve for x
    x = 2,667,915,048.67/58,545.63
  6. Step 6: Final answer
    x = 45,569.84

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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.