Home / 65,403.86-90,254.66-37,108.94

Finding the Fourth Proportional to 65,403.86, 90,254.66 and 37,108.94

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Solution

The fourth proportional to 65,403.86, 90,254.66 and 37,108.94 is: 51,208.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,403.86 : 90,254.66 = 37,108.94 : x
  2. Step 2: Convert to fraction form
    65,403.86/90,254.66 = 37,108.94/x
  3. Step 3: Cross multiply
    65,403.86x = 90,254.66 × 37,108.94
  4. Step 4: Simplify right side
    65,403.86x = 3,349,254,762.66
  5. Step 5: Solve for x
    x = 3,349,254,762.66/65,403.86
  6. Step 6: Final answer
    x = 51,208.82

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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.