Home / 71,170.02-98,101.53-56,038.68

Finding the Fourth Proportional to 71,170.02, 98,101.53 and 56,038.68

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Solution

The fourth proportional to 71,170.02, 98,101.53 and 56,038.68 is: 77,244.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,170.02 : 98,101.53 = 56,038.68 : x
  2. Step 2: Convert to fraction form
    71,170.02/98,101.53 = 56,038.68/x
  3. Step 3: Cross multiply
    71,170.02x = 98,101.53 × 56,038.68
  4. Step 4: Simplify right side
    71,170.02x = 5,497,480,247.18
  5. Step 5: Solve for x
    x = 5,497,480,247.18/71,170.02
  6. Step 6: Final answer
    x = 77,244.33

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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.