Home / 58,330.20-80,422.03-38,155.13

Finding the Fourth Proportional to 58,330.20, 80,422.03 and 38,155.13

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Solution

The fourth proportional to 58,330.20, 80,422.03 and 38,155.13 is: 52,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,330.20 : 80,422.03 = 38,155.13 : x
  2. Step 2: Convert to fraction form
    58,330.20/80,422.03 = 38,155.13/x
  3. Step 3: Cross multiply
    58,330.20x = 80,422.03 × 38,155.13
  4. Step 4: Simplify right side
    58,330.20x = 3,068,513,009.51
  5. Step 5: Solve for x
    x = 3,068,513,009.51/58,330.20
  6. Step 6: Final answer
    x = 52,605.91

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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.