Home / 90,319.26-124,638.95-50,032.90

Finding the Fourth Proportional to 90,319.26, 124,638.95 and 50,032.90

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Solution

The fourth proportional to 90,319.26, 124,638.95 and 50,032.90 is: 69,044.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,319.26 : 124,638.95 = 50,032.90 : x
  2. Step 2: Convert to fraction form
    90,319.26/124,638.95 = 50,032.90/x
  3. Step 3: Cross multiply
    90,319.26x = 124,638.95 × 50,032.90
  4. Step 4: Simplify right side
    90,319.26x = 6,236,047,871.29
  5. Step 5: Solve for x
    x = 6,236,047,871.29/90,319.26
  6. Step 6: Final answer
    x = 69,044.50

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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.