Home / 90,156.20-124,373.67-58,335.35

Finding the Fourth Proportional to 90,156.20, 124,373.67 and 58,335.35

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Solution

The fourth proportional to 90,156.20, 124,373.67 and 58,335.35 is: 80,475.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,156.20 : 124,373.67 = 58,335.35 : x
  2. Step 2: Convert to fraction form
    90,156.20/124,373.67 = 58,335.35/x
  3. Step 3: Cross multiply
    90,156.20x = 124,373.67 × 58,335.35
  4. Step 4: Simplify right side
    90,156.20x = 7,255,381,662.41
  5. Step 5: Solve for x
    x = 7,255,381,662.41/90,156.20
  6. Step 6: Final answer
    x = 80,475.68

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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.