Home / 90,588.18-124,934.94-58,328.40

Finding the Fourth Proportional to 90,588.18, 124,934.94 and 58,328.40

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Solution

The fourth proportional to 90,588.18, 124,934.94 and 58,328.40 is: 80,443.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,588.18 : 124,934.94 = 58,328.40 : x
  2. Step 2: Convert to fraction form
    90,588.18/124,934.94 = 58,328.40/x
  3. Step 3: Cross multiply
    90,588.18x = 124,934.94 × 58,328.40
  4. Step 4: Simplify right side
    90,588.18x = 7,287,255,154.30
  5. Step 5: Solve for x
    x = 7,287,255,154.30/90,588.18
  6. Step 6: Final answer
    x = 80,443.77

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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.