Home / 90,312.75-124,632.60-50,027.15

Finding the Fourth Proportional to 90,312.75, 124,632.60 and 50,027.15

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Solution

The fourth proportional to 90,312.75, 124,632.60 and 50,027.15 is: 69,038.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,312.75 : 124,632.60 = 50,027.15 : x
  2. Step 2: Convert to fraction form
    90,312.75/124,632.60 = 50,027.15/x
  3. Step 3: Cross multiply
    90,312.75x = 124,632.60 × 50,027.15
  4. Step 4: Simplify right side
    90,312.75x = 6,235,013,151.93
  5. Step 5: Solve for x
    x = 6,235,013,151.93/90,312.75
  6. Step 6: Final answer
    x = 69,038.02

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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.