Home / 75,157.43-103,717.02-42,448.26

Finding the Fourth Proportional to 75,157.43, 103,717.02 and 42,448.26

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Solution

The fourth proportional to 75,157.43, 103,717.02 and 42,448.26 is: 58,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,157.43 : 103,717.02 = 42,448.26 : x
  2. Step 2: Convert to fraction form
    75,157.43/103,717.02 = 42,448.26/x
  3. Step 3: Cross multiply
    75,157.43x = 103,717.02 × 42,448.26
  4. Step 4: Simplify right side
    75,157.43x = 4,402,607,031.39
  5. Step 5: Solve for x
    x = 4,402,607,031.39/75,157.43
  6. Step 6: Final answer
    x = 58,578.47

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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.