Home / 90,625.13-125,053.67-54,316.98

Finding the Fourth Proportional to 90,625.13, 125,053.67 and 54,316.98

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Solution

The fourth proportional to 90,625.13, 125,053.67 and 54,316.98 is: 74,952.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,625.13 : 125,053.67 = 54,316.98 : x
  2. Step 2: Convert to fraction form
    90,625.13/125,053.67 = 54,316.98/x
  3. Step 3: Cross multiply
    90,625.13x = 125,053.67 × 54,316.98
  4. Step 4: Simplify right side
    90,625.13x = 6,792,537,828.11
  5. Step 5: Solve for x
    x = 6,792,537,828.11/90,625.13
  6. Step 6: Final answer
    x = 74,952.04

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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.