Home / 90,061.56-124,257.78-52,328.52

Finding the Fourth Proportional to 90,061.56, 124,257.78 and 52,328.52

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Solution

The fourth proportional to 90,061.56, 124,257.78 and 52,328.52 is: 72,197.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,061.56 : 124,257.78 = 52,328.52 : x
  2. Step 2: Convert to fraction form
    90,061.56/124,257.78 = 52,328.52/x
  3. Step 3: Cross multiply
    90,061.56x = 124,257.78 × 52,328.52
  4. Step 4: Simplify right side
    90,061.56x = 6,502,225,725.89
  5. Step 5: Solve for x
    x = 6,502,225,725.89/90,061.56
  6. Step 6: Final answer
    x = 72,197.57

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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.