Home / 90,390.72-124,728.93-50,101.32

Finding the Fourth Proportional to 90,390.72, 124,728.93 and 50,101.32

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Solution

The fourth proportional to 90,390.72, 124,728.93 and 50,101.32 is: 69,134.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,390.72 : 124,728.93 = 50,101.32 : x
  2. Step 2: Convert to fraction form
    90,390.72/124,728.93 = 50,101.32/x
  3. Step 3: Cross multiply
    90,390.72x = 124,728.93 × 50,101.32
  4. Step 4: Simplify right side
    90,390.72x = 6,249,084,035.19
  5. Step 5: Solve for x
    x = 6,249,084,035.19/90,390.72
  6. Step 6: Final answer
    x = 69,134.13

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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.