Home / 71,330.07-98,435.16-39,064.80

Finding the Fourth Proportional to 71,330.07, 98,435.16 and 39,064.80

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Solution

The fourth proportional to 71,330.07, 98,435.16 and 39,064.80 is: 53,909.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,330.07 : 98,435.16 = 39,064.80 : x
  2. Step 2: Convert to fraction form
    71,330.07/98,435.16 = 39,064.80/x
  3. Step 3: Cross multiply
    71,330.07x = 98,435.16 × 39,064.80
  4. Step 4: Simplify right side
    71,330.07x = 3,845,349,838.37
  5. Step 5: Solve for x
    x = 3,845,349,838.37/71,330.07
  6. Step 6: Final answer
    x = 53,909.24

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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.