Home / 90,117.36-124,361.28-50,373.36

Finding the Fourth Proportional to 90,117.36, 124,361.28 and 50,373.36

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Solution

The fourth proportional to 90,117.36, 124,361.28 and 50,373.36 is: 69,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,117.36 : 124,361.28 = 50,373.36 : x
  2. Step 2: Convert to fraction form
    90,117.36/124,361.28 = 50,373.36/x
  3. Step 3: Cross multiply
    90,117.36x = 124,361.28 × 50,373.36
  4. Step 4: Simplify right side
    90,117.36x = 6,264,495,527.50
  5. Step 5: Solve for x
    x = 6,264,495,527.50/90,117.36
  6. Step 6: Final answer
    x = 69,514.86

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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.