Home / 90,316.03-124,636.11-50,032.40

Finding the Fourth Proportional to 90,316.03, 124,636.11 and 50,032.40

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Solution

The fourth proportional to 90,316.03, 124,636.11 and 50,032.40 is: 69,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,316.03 : 124,636.11 = 50,032.40 : x
  2. Step 2: Convert to fraction form
    90,316.03/124,636.11 = 50,032.40/x
  3. Step 3: Cross multiply
    90,316.03x = 124,636.11 × 50,032.40
  4. Step 4: Simplify right side
    90,316.03x = 6,235,843,459.80
  5. Step 5: Solve for x
    x = 6,235,843,459.80/90,316.03
  6. Step 6: Final answer
    x = 69,044.70

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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.