Home / 90,463.90-124,830.76-52,210.56

Finding the Fourth Proportional to 90,463.90, 124,830.76 and 52,210.56

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Solution

The fourth proportional to 90,463.90, 124,830.76 and 52,210.56 is: 72,045.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,463.90 : 124,830.76 = 52,210.56 : x
  2. Step 2: Convert to fraction form
    90,463.90/124,830.76 = 52,210.56/x
  3. Step 3: Cross multiply
    90,463.90x = 124,830.76 × 52,210.56
  4. Step 4: Simplify right side
    90,463.90x = 6,517,483,884.83
  5. Step 5: Solve for x
    x = 6,517,483,884.83/90,463.90
  6. Step 6: Final answer
    x = 72,045.13

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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.