Home / 89,937.48-124,124.22-74,803.44

Finding the Fourth Proportional to 89,937.48, 124,124.22 and 74,803.44

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Solution

The fourth proportional to 89,937.48, 124,124.22 and 74,803.44 is: 103,237.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,937.48 : 124,124.22 = 74,803.44 : x
  2. Step 2: Convert to fraction form
    89,937.48/124,124.22 = 74,803.44/x
  3. Step 3: Cross multiply
    89,937.48x = 124,124.22 × 74,803.44
  4. Step 4: Simplify right side
    89,937.48x = 9,284,918,643.32
  5. Step 5: Solve for x
    x = 9,284,918,643.32/89,937.48
  6. Step 6: Final answer
    x = 103,237.48

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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.