Home / 90,073.95-124,302.54-49,238.13

Finding the Fourth Proportional to 90,073.95, 124,302.54 and 49,238.13

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Solution

The fourth proportional to 90,073.95, 124,302.54 and 49,238.13 is: 67,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,073.95 : 124,302.54 = 49,238.13 : x
  2. Step 2: Convert to fraction form
    90,073.95/124,302.54 = 49,238.13/x
  3. Step 3: Cross multiply
    90,073.95x = 124,302.54 × 49,238.13
  4. Step 4: Simplify right side
    90,073.95x = 6,120,424,623.85
  5. Step 5: Solve for x
    x = 6,120,424,623.85/90,073.95
  6. Step 6: Final answer
    x = 67,948.89

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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.